{"id":13315,"date":"2026-04-11T11:07:01","date_gmt":"2026-04-11T09:07:01","guid":{"rendered":"https:\/\/www.blogseite.com\/quiz\/?p=13315"},"modified":"2026-04-10T11:08:07","modified_gmt":"2026-04-10T09:08:07","slug":"niob","status":"publish","type":"post","link":"https:\/\/www.blogseite.com\/quiz\/niob\/","title":{"rendered":"Quiz \u00fcber Niob"},"content":{"rendered":"<figure><\/figure>\n\n    <div id=\"donut-timer-flybutton\" class=\"donut-timer\">\n    <svg class=\"donut-svg\" viewBox=\"0 0 36 36\">\n        <circle class=\"donut-ring\" cx=\"18\" cy=\"18\" r=\"16\" fill=\"none\" stroke=\"#f0f0f0\" stroke-width=\"2\"><\/circle>\n        <circle class=\"donut-segment\" cx=\"18\" cy=\"18\" r=\"16\" fill=\"none\" stroke=\"#4CAF50\" stroke-width=\"2\" \n                stroke-dasharray=\"0 100\" stroke-linecap=\"round\"><\/circle>\n    <\/svg>\n    <span class=\"donut-time\">0s<\/span>\n<\/div>\n    <div class=\"quiz-container\">\n        <div id=\"leaderboard-container\">\n            \n<!-- WP QUADS v. 3.0.1  Shortcode Ad -->\n<div class=\"quads-location quads-ad3204\" id=\"quads-ad3204\" style=\"float:none;margin:100px;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6493352997822853\"\n     crossorigin=\"anonymous\"><\/script>\n<!-- Displayanzeigenblock2 -->\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-6493352997822853\"\n     data-ad-slot=\"7559083288\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/div>\n            <p><a href=\"https:\/\/www.blogseite.com\/quiz\/es\/\">Es<\/a> gibt noch keine Spieler im Leaderboard f\u00fcr dieses Quiz.<\/p>        <\/div>\n        <br>\n       <div class=\"quiz-question\" id=\"question-0\" data-index=\"0\" \n         >\n        <p><strong>Was ist die Ordnungszahl von Niob? \ud83d\udd22<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    >\n                41            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    >\n                39            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    >\n                40            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    >\n                42            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-1\" data-index=\"1\" \n         class=\"disabled\">\n        <p><strong>Welches chemische Symbol hat Niob? \ud83e\uddea<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Nb            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                Ni            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                No            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                N            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-2\" data-index=\"2\" \n         class=\"disabled\">\n        <p><strong>Wer entdeckte Niob im Jahr 1801? \ud83d\udd2c<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Hatchett            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Ekeberg            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Berzelius            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Davy            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-3\" data-index=\"3\" \n         class=\"disabled\">\n        <p><strong>Was ist die Atommasse von Niob (gerundet)? \u2696\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                90,91 u            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                91,91 u            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                93,91 u            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                92,91 u            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-4\" data-index=\"4\" \n         class=\"disabled\">\n        <p><strong>Welchen Aggregatzustand hat Niob bei Raumtemperatur? \ud83c\udf21\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                Fest            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                Fl\u00fcssig            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                Gasf\u00f6rmig            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                Plasma            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-5\" data-index=\"5\" \n         class=\"disabled\">\n        <p><strong>Zu welcher Gruppe im <a href=\"https:\/\/www.blogseite.com\/quiz\/periodensystem\/\">Periodensystem<\/a> geh\u00f6rt Niob? \ud83d\udcca<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Gruppe 4            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                Gruppe 5            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                Gruppe 6            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Gruppe 7            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-6\" data-index=\"6\" \n         class=\"disabled\">\n        <p><strong>Welche Farbe hat metallisches Niob? \ud83c\udfa8<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Goldgelb            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Silbrig-grau mit bl\u00e4ulichem Schimmer            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Schwarz            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Rot            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-7\" data-index=\"7\" \n         class=\"disabled\">\n        <p><strong>Bei welcher Temperatur schmilzt Niob? \ud83d\udd25<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                2300\u00b0C            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                2400\u00b0C            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                2450\u00b0C            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                2477\u00b0C            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-8\" data-index=\"8\" \n         class=\"disabled\">\n        <p><strong>Wie viele Valenzelektronen hat Niob? \u26a1<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                5            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                3            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                4            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                6            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-9\" data-index=\"9\" \n         class=\"disabled\">\n        <p><strong>Wof\u00fcr wird Niob haupts\u00e4chlich in der Stahlindustrie verwendet? \ud83c\udfd7\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Als Brennstoff            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                Zur Herstellung von hochfesten Mikrolegierungsst\u00e4hlen            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                Als D\u00fcngemittel            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Als Farbstoff            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-10\" data-index=\"10\" \n         class=\"disabled\">\n        <p><strong>Wie viele stabile Isotope hat Niob in der <a href=\"https:\/\/www.blogseite.com\/quiz\/natur\/\">Natur<\/a>? \u269b\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Keine            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Zwei            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Eins (Nb-93)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Drei            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-11\" data-index=\"11\" \n         class=\"disabled\">\n        <p><strong>Welche Elektronenkonfiguration hat Niob? \u269b\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                [Kr] 4d\u00b3 5s\u00b2            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                [Kr] 4d\u2074 5s\u00b9            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                [Kr] 4d\u2075            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                [Kr] 4d\u00b2 5s\u00b3            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-12\" data-index=\"12\" \n         class=\"disabled\">\n        <p><strong>Wie hoch ist die Dichte von Niob? \u2696\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                7,52 g\/cm\u00b3            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                8,52 g\/cm\u00b3            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                9,52 g\/cm\u00b3            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                6,52 g\/cm\u00b3            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-13\" data-index=\"13\" \n         class=\"disabled\">\n        <p><strong>Welche Oxidationsstufe ist bei Niob am stabilsten? \ud83d\udd23<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                +3            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                +5            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                +2            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                +4            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-14\" data-index=\"14\" \n         class=\"disabled\">\n        <p><strong>Woher stammt der Name &#039;Niob&#039;? \ud83d\udcd6<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Vom griechischen &#039;niobe&#039; (Tochter des Tantalos)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Vom lateinischen &#039;nobilis&#039;            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Vom englischen &#039;new&#039;            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Vom arabischen &#039;niob&#039;            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-15\" data-index=\"15\" \n         class=\"disabled\">\n        <p><strong>Welche besondere Eigenschaft zeigt Niob bei sehr tiefen Temperaturen? \u2744\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                Es wird transparent            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                Es wird supraleitend            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                Es wird magnetisch            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                Es verdampft            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-16\" data-index=\"16\" \n         class=\"disabled\">\n        <p><strong>Welche biologische Rolle spielt Niob? \ud83e\uddec<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                Essenziell f\u00fcr Menschen            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                Giftig            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                Keine bekannte essentielle Rolle            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                Nur f\u00fcr Bakterien wichtig            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-17\" data-index=\"17\" \n         class=\"disabled\">\n        <p><strong>Aus welchem Mineral wird Niob haupts\u00e4chlich gewonnen? \u26cf\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Bauxit            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                Columbit\/Pyrochlor            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                H\u00e4matit            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Quarz            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-18\" data-index=\"18\" \n         class=\"disabled\">\n        <p><strong>Warum wurde Niob fr\u00fcher oft mit Tantal verwechselt? \ud83e\udd14<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Weil sie gleiche Farbe haben            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Weil sie chemisch sehr \u00e4hnlich sind und zusammen vorkommen            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Weil sie gleich schwer sind            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Weil sie gleichzeitig entdeckt wurden            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-19\" data-index=\"19\" \n         class=\"disabled\">\n        <p><strong>In welchem Bereich werden Niob-Titan-Legierungen eingesetzt? \ud83e\uddf2<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                F\u00fcr Supraleiter-Magnete (MRI, Teilchenbeschleuniger)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                F\u00fcr Schmuck            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                F\u00fcr M\u00fcnzen            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                F\u00fcr Batterien            <\/button><br>\n                <hr>\n    <\/div>\n\n\n    <\/div>\n    <style>\n  .quiz-container {\n    max-width: 1000px;\n    margin: 30px auto;\n    padding: 20px;\n    box-sizing: border-box;\n    text-align: center;\n}\n\n.quiz-question {\n    margin-bottom: 30px;\n    padding: 10px;\n    box-sizing: border-box;\n}\n\n.quiz-question p {\n    font-size: 25px;\n    margin-bottom: 15px;\n    text-align: center;\n    word-wrap: break-word;\n    color:black;\n}\n\n.quiz-answer {\n    display: block;\n    width: 90%;\n    max-width: 300px;\n    margin: 5px auto; \/* vorher: 10px auto *\/\n    padding: 12px 16px;\n    font-size: 20px;\n    cursor: pointer;\n    border: 1px solid #ccc;\n    border-radius: 8px;\n    background-color: #f9f9f9;\n    transition: background-color 0.2s ease, transform 0.1s ease;\n    text-align: center;\n    box-sizing: border-box;\n}\n.quiz-answer:hover {\n    background-color: #eaeaea;\n    transform: scale(1.02);\n}\n\n.quiz-answer.correct {\n    background-color: #d4edda;\n    border-color: green;\n    color:black;\n}\n\n.quiz-answer.incorrect {\n    background-color: #f8d7da;\n    border-color: red;\n    color:black\n}\n\nhr {\n    max-width: 80%;\n    margin: 20px auto;\n}\n\n\/* \ud83d\udcf1 Mobile Friendly Styles *\/\n@media (max-width: 600px) {\n    .quiz-container {\n        padding: 15px;\n    }\n\n    .quiz-question p {\n        font-size: 28px;\n    }\n\n    .quiz-answer {\n        font-size: 25px;\n        padding: 10px;\n    }\n}\n\n      \n      \n    .quiz-timer-flybutton {\n    position: fixed;\n    bottom: 20px;\n    left: 20px;\n    background-color: #28a745;\n    color: white;\n    padding: 10px 20px;\n    font-size: 18px;\n    border-radius: 50px;\n    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);\n    z-index: 1000;\n}\n\n    #quiz-timer {\n    font-size: 16px;\n      }\n\n    \/* Container f\u00fcr das Leaderboard *\/\n.leaderboard-container {\n    width: 100%;\n    max-width: 800px;\n    margin: 20px auto;\n    padding: 20px;\n    background-color: #f9f9f9;\n    border-radius: 8px;\n    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);\n}\n\n\/* Titel des Leaderboards *\/\n.leaderboard-title {\n    text-align: center;\n    font-size: 24px;\n    color: #333;\n    margin-bottom: 20px;\n    font-family: 'Arial', sans-serif;\n    text-transform: uppercase;\n    font-weight: bold;\n}\n\n\/* Tabellenstil *\/\n.leaderboard-table {\n    width: 100%;\n    border-collapse: collapse;\n    margin-top: 20px;\n}\n\n.leaderboard-table th,\n.leaderboard-table td {\n    padding: 12px 15px;\n    text-align: center;\n    font-size: 16px;\n    color: #333;\n    border-bottom: 1px solid #ddd;\n}\n\n.leaderboard-table th {\n    background-color: #4CAF50;\n    color: white;\n    font-weight: bold;\n}\n\n\/* Zeilenfarben f\u00fcr das Leaderboard *\/\n.leaderboard-table tbody tr:nth-child(even) {\n    background-color: #f2f2f2;\n}\n\n.leaderboard-table tbody tr:hover {\n    background-color: #e0e0e0;\n}\n\n\n  \n.swal2-confirm-green {\n    background-color: #28a745 !important;\n    color: #fff !important;\n    font-weight: bold;\n    padding: 10px 20px;\n    border-radius: 5px;\n    font-size: 1em;\n}\n\n.swal2-cancel-grey {\n    background-color: #ccc !important;\n    color: #333 !important;\n    padding: 10px 20px;\n    border-radius: 5px;\n    font-size: 1em;\n}\n\n.donut-timer {\n    position: fixed;\n    bottom: 20px;\n    left: 20px;\n    width: 60px;\n    height: 60px;\n    border-radius: 50%;\n    background: white;\n    box-shadow: 0 4px 12px rgba(0,0,0,0.2);\n    z-index: 1000;\n    display: flex;\n    align-items: center;\n    justify-content: center;\n}\n\n.donut-svg {\n    width: 100%;\n    height: 100%;\n    position: absolute;\n    transform: rotate(-90deg);\n}\n\n.donut-ring {\n    fill: none;\n    stroke: #f0f0f0;\n    stroke-width: 4;\n}\n\n.donut-segment {\n    fill: none;\n    stroke-width: 4;\n    stroke-linecap: round;\n    transition: stroke 0.5s ease;\n}\n\n.donut-time {\n    font-family: 'Courier New', monospace;\n    font-size: 14px;\n    font-weight: bold;\n    position: relative;\n    z-index: 2;\n}\n\n      \n      \n<\/style>\n\n    <script>\ndocument.addEventListener('DOMContentLoaded', () => {\n    let startTime = Date.now();\n    let timerInterval;\n    let quizCompleted = false;\n    const totalQuestions = document.querySelectorAll('.quiz-question').length;\n    let answeredQuestions = 0;\n    let score = 0;\n    let elapsedSeconds = 0; \/\/ Globale Variable f\u00fcr die gespeicherte Zeit\n\n    \/\/ Donut-Timer-Elemente\n    const donutSegment = document.querySelector('.donut-segment');\n    const donutTimeDisplay = document.querySelector('.donut-time');\n\n    function formatTime(seconds) {\n        const mins = Math.floor(seconds \/ 60);\n        const secs = seconds % 60;\n        return `${String(mins).padStart(2, '0')}:${String(secs).padStart(2, '0')}`;\n    }\n\n    function updateDonutTimer() {\n        if (quizCompleted) return;\n        \n        elapsedSeconds = Math.floor((Date.now() - startTime) \/ 1000);\n        const maxTime = 120; \/\/ 2 Minuten f\u00fcr vollen Farbverlauf\n        const progress = Math.min((elapsedSeconds \/ maxTime) * 100, 100);\n        \n        \/\/ Farbverlauf: Gr\u00fcn \u2192 Gelb\n        const hue = 120 - (120 * (progress \/ 100));\n        donutSegment.style.stroke = `hsl(${hue}, 100%, 50%)`;\n        donutSegment.style.strokeDasharray = `${progress} ${100 - progress}`;\n        donutTimeDisplay.textContent = `${elapsedSeconds}s`;\n    }\n\n    function startTimer() {\n        timerInterval = setInterval(updateDonutTimer, 1000);\n    }\n\n  function stopTimer() {\n    clearInterval(timerInterval);\n    quizCompleted = true;\n    const finalTime = formatTime(elapsedSeconds);\n    const currentURL = window.location.href;\n\n    const shareText = `Ich habe ${score} Punkte in ${finalTime} bei diesem Quiz erreicht!\\nKannst du mich schlagen?\\nMach mit: ${currentURL}`;\n    const whatsappURL = `https:\/\/wa.me\/?text=${encodeURIComponent(shareText)}`;\n    const facebookURL = `https:\/\/www.facebook.com\/sharer\/sharer.php?u=${encodeURIComponent(currentURL)}`;\n\n    Swal.fire({\n        title: '<span style=\"color: #28a745;\">\ud83c\udfc6 Neuer Highscore!<\/span>',\n        html: `\n            <div style=\"font-size: 18px; color: #333;\">\n                <div style=\"margin-bottom: 8px;\">\n                    \u23f1\ufe0f <strong>Zeit:<\/strong>\n                    <span style=\"font-size: 1.3em; color: #000;\">${finalTime}<\/span>\n                <\/div>\n                <div>\n                    \u2b50 <strong>Punkte:<\/strong>\n                    <span style=\"font-size: 1.3em; color: orange;\">${score}<\/span>\n                <\/div>\n            <\/div>\n            <p style=\"margin-top: 20px; font-size: 19px; color: #444;\">\n                Trage deinen Namen f\u00fcr die Highscore-Liste ein:\n            <\/p>\n            <input style=\"width:80%;font-size:21px\" id=\"swal-input\" class=\"swal2-input\" placeholder=\"Dein Fantasy Name\">\n            <a id=\"whatsapp-share\" href=\"${whatsappURL}\" target=\"_blank\"\n               style=\"display: inline-block; margin-top: 15px; background-color: #25D366; color: white;\n                      padding: 10px 15px; border-radius: 5px; text-decoration: none; font-size: 16px;\">\n                Freunde auf WhatsApp herausfordern\n            <\/a>\n            <a id=\"facebook-share\" href=\"${facebookURL}\" target=\"_blank\"\n               style=\"display: inline-block; margin-top: 10px; background-color: #1877F2; color: white;\n                      padding: 10px 15px; border-radius: 5px; text-decoration: none; font-size: 16px;\">\n                Freunde auf Facebook herausfordern\n            <\/a>\n        `,\n        showCancelButton: true,\n        confirmButtonText: 'Eintragen',\n        cancelButtonText: 'Abbrechen',\n        focusConfirm: false,\n        preConfirm: () => {\n            const playerName = document.getElementById('swal-input').value;\n            if (!playerName) {\n                Swal.showValidationMessage('Bitte gib deinen Namen ein');\n                return false;\n            }\n\n            const data = {\n 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  padding: 10px 15px; border-radius: 5px; text-decoration: none; font-size: 16px;\">\n                        Freunde auf WhatsApp herausfordern\n                    <\/a>\n                    <a href=\"${facebookURL}\" target=\"_blank\"\n                       style=\"display: inline-block; margin-top: 10px; background-color: #1877F2; color: white;\n                              padding: 10px 15px; border-radius: 5px; text-decoration: none; font-size: 16px;\">\n                        Freunde auf Facebook herausfordern\n                    <\/a>\n                `\n            });\n        }\n    });\n}\n\n\n    \/\/ Starte den Timer\n    startTimer();\n\ndocument.querySelectorAll('.quiz-question').forEach(qEl => {\n    qEl.querySelectorAll('.quiz-answer').forEach(btn => {\n        btn.addEventListener('click', () => {\n            const correct = parseInt(btn.dataset.correct);\n            const index = parseInt(btn.dataset.index);\n\n            \/\/ Deaktiviere alle Buttons dieser 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qEl.querySelector('.quiz-answer[data-index=\"' + correct + '\"]').classList.add('correct');\n            }\n\n            \/\/ Frage als beantwortet markieren\n            if (!qEl.classList.contains('answered')) {\n                qEl.classList.add('answered');\n                answeredQuestions++;\n            }\n\n            \/\/ Wenn alles beantwortet ist, stoppen\n            if (answeredQuestions === totalQuestions && !quizCompleted) {\n                quizCompleted = true;\n                stopTimer();\n            }\n\n           let nextStrong = btn.closest('.quiz-question').nextElementSibling?.querySelector('strong');\nif (nextStrong) {\n    \/\/ Berechne die Position des n\u00e4chsten <strong>-Elements\n    const rect = nextStrong.getBoundingClientRect();\n    const offsetTop = window.scrollY + rect.top - (window.innerHeight \/ 7); \/\/ Ein Viertel der Bildschirmh\u00f6he\n\n    \/\/ Verwende scrollTo, um mit einem Offset zu scrollen, aber ohne zu ruckeln\n    window.scrollTo({\n        top: offsetTop,\n        behavior: 'smooth'\n    });\n}\n\n        });\n    });\n});\n});\n    \n    \n    function showLeaderboard() {\n        const quizId = 2299;\n\n        jQuery.get('https:\/\/www.blogseite.com\/quiz\/wp-admin\/admin-ajax.php', {\n            action: 'get_leaderboard',\n            quiz_id: quizId\n        }, function(response) {\n            if (response.success && response.data.length > 0) {\n                let html = '<table style=\"width:100%; border-collapse:collapse; margin-bottom:20px;\">';\n                html += '<thead><tr><th>\ud83d\udc64 Name<\/th><th>\u2b50 Punkte<\/th><th>\u23f1\ufe0f Zeit<\/th><\/tr><\/thead><tbody>';\n                response.data.forEach(entry => {\n                    html += `<tr>\n                        <td>${entry.player_name}<\/td>\n                        <td>${entry.score}<\/td>\n                        <td>${entry.time}<\/td>\n                    <\/tr>`;\n                });\n                html += '<\/tbody><\/table>';\n\n                const leaderboardContainer = document.createElement('div');\n                leaderboardContainer.classList.add('quiz-leaderboard');\n                leaderboardContainer.innerHTML = `\n                    <h2>\ud83c\udfc6 Leaderboard<\/h2>\n                    ${html}\n                    <hr>\n                `;\n\n                const container = document.querySelector('.quiz-container');\n                container.parentNode.appendChild(leaderboardContainer);\n            }\n        });\n    }\n\n    showLeaderboard();\ndocument.addEventListener('DOMContentLoaded', function () {\n    let currentQuestion = 0; \/\/ Start bei der ersten Frage\n    let questions = document.querySelectorAll('.quiz-question'); \/\/ Alle Fragen ausw\u00e4hlen\n\n    \/\/ Event Listener f\u00fcr alle Antwort-Buttons\n    questions.forEach((question, index) => {\n        let buttons = question.querySelectorAll('.quiz-answer');\n        \n        \/\/ Wenn die Frage nicht die erste ist, Buttons deaktivieren\n        if (index > 0) {\n            buttons.forEach(button => {\n                button.disabled = true;\n            });\n        }\n\n        buttons.forEach(button => {\n            button.addEventListener('click', function () {\n                \/\/ Wenn die richtige Antwort ausgew\u00e4hlt wurde\n                let correct = button.getAttribute('data-correct');\n                if (correct) {\n                    \/\/ N\u00e4chste Frage aktivieren\n                    enableNextQuestion(index);\n                }\n            });\n        });\n    });\n\n    \/\/ Funktion, um die n\u00e4chste Frage zu aktivieren\n    function enableNextQuestion(index) {\n        if (index + 1 < questions.length) {\n            let nextQuestion = questions[index + 1];\n            nextQuestion.classList.remove('disabled'); \/\/ N\u00e4chste Frage aktivieren\n            let nextButtons = nextQuestion.querySelectorAll('.quiz-answer');\n            nextButtons.forEach(button => {\n                button.disabled = false; \/\/ Antwort-Buttons aktivieren\n            });\n        }\n    }\n});\n\n<\/script>\n    \n\n\n\n<h3 class=\"wp-block-heading\">Wie gut kennst du Niob?<\/h3>\n\n\n\n<p>Niob ist ein silbrig gl\u00e4nzendes \u00dcbergangsmetall, das vor allem f\u00fcr seine hohe Festigkeit und Hitzebest\u00e4ndigkeit gesch\u00e4tzt wird. Es kommt in der Natur meist in Mineralien wie Columbit vor und wird h\u00e4ufig in hochfesten Stahllegierungen eingesetzt \u2013 etwa im Maschinenbau, in der Luftfahrt und in der Medizintechnik.<\/p>\n\n\n\n<p>Neugierig geworden? Finde heraus, welche spannenden Eigenschaften, technischen Anwendungen und Besonderheiten Niob zu einem wichtigen Hightech-Metall machen! \u269b\ufe0f\ud83d\udd27\ud83d\ude04<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wie gut kennst du Niob? Niob ist ein silbrig gl\u00e4nzendes \u00dcbergangsmetall, das vor allem f\u00fcr seine hohe Festigkeit und Hitzebest\u00e4ndigkeit gesch\u00e4tzt wird. Es kommt in der Natur meist in Mineralien&hellip; <\/p>\n","protected":false},"author":1,"featured_media":8266,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Quiz \u00fcber Niob - Wieviel wei\u00dft du? - %%currentyear%% - Blogseite.com","_yoast_wpseo_metadesc":"Wieviel wei\u00dft du \u00fcber Niob? Wie gut kennst du Niob? Der Wissenstest \u00fcber Niob","footnotes":""},"categories":[2708],"tags":[2748],"class_list":["post-13315","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stoffe","tag-niob"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quiz \u00fcber Niob - Wieviel wei\u00dft du? - 2026 - Blogseite.com<\/title>\n<meta name=\"description\" content=\"Wieviel wei\u00dft du \u00fcber Niob? Wie gut kennst du Niob? 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