{"id":13277,"date":"2026-04-11T11:00:00","date_gmt":"2026-04-11T09:00:00","guid":{"rendered":"https:\/\/www.blogseite.com\/quiz\/?p=13277"},"modified":"2026-04-10T10:04:19","modified_gmt":"2026-04-10T08:04:19","slug":"kupfer","status":"publish","type":"post","link":"https:\/\/www.blogseite.com\/quiz\/kupfer\/","title":{"rendered":"Quiz \u00fcber Kupfer"},"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 <a href=\"https:\/\/www.blogseite.com\/quiz\/nickel\/\">Nickel<\/a>? \ud83d\udd22<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    >\n                28            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    >\n                26            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    >\n                27            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    >\n                29            <\/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 Nickel? \ud83e\uddea<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                N            <\/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                Nc            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Nk            <\/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 Nickel im Jahr 1751? \ud83d\udd2c<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Davy            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Scheele            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Axel Fredrik Cronstedt            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Berzelius            <\/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 Nickel (gerundet)? \u2696\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                56,69 u            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                57,69 u            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                59,69 u            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                58,69 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 Nickel 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 Nickel? \ud83d\udcca<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Gruppe 9            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                Gruppe 10            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                Gruppe 11            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Gruppe 12            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-6\" data-index=\"6\" \n         class=\"disabled\">\n        <p><strong>Woher stammt der Name &#039;Nickel&#039;? \ud83d\udcd6<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Vom lateinischen &#039;niccolum&#039;            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Vom englischen &#039;nickel&#039;            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Vom deutschen &#039;Kupfernickel&#039; (Teufelskupfer)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Vom arabischen &#039;nikal&#039;            <\/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 Nickel? \ud83d\udd25<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                1400\u00b0C            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                1450\u00b0C            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                1500\u00b0C            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                1455\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 Nickel typischerweise? \u26a1<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                2            <\/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                5            <\/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 Nickel haupts\u00e4chlich 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                In Edelstahl und Legierungen            <\/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 K\u00fchlmittel            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-10\" data-index=\"10\" \n         class=\"disabled\">\n        <p><strong>Welche Farbe hat metallisches Nickel? \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-wei\u00df mit goldener T\u00f6nung            <\/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-11\" data-index=\"11\" \n         class=\"disabled\">\n        <p><strong>Wie viele stabile Isotope hat Nickel in der <a href=\"https:\/\/www.blogseite.com\/quiz\/natur\/\">Natur<\/a>? \u269b\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                3            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                4            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                5            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                6            <\/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 Nickel? \u2696\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                8,90 g\/cm\u00b3            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                7,90 g\/cm\u00b3            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                9,90 g\/cm\u00b3            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                6,90 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 Elektronenkonfiguration hat Nickel? \u269b\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                [Ar] 3d\u2077 4s\u00b2            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                [Ar] 3d\u2078 4s\u00b2            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                [Ar] 3d\u2079 4s\u00b9            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                [Ar] 3d\u00b9\u2070            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-14\" data-index=\"14\" \n         class=\"disabled\">\n        <p><strong>Welche Oxidationsstufe ist bei Nickel am h\u00e4ufigsten? \ud83d\udd23<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                +1            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                +3            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                +2            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                +4            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-15\" data-index=\"15\" \n         class=\"disabled\">\n        <p><strong>Welche magnetische Eigenschaft hat Nickel? \ud83e\uddf2<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                Diamagnetisch            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                Paramagnetisch            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                Nicht magnetisch            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                Ferromagnetisch            <\/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 Nickel? \ud83e\uddec<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                Spurenelement (Enzym-Cofaktor)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                Hauptn\u00e4hrstoff            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                Giftig            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                Keine Rolle            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-17\" data-index=\"17\" \n         class=\"disabled\">\n        <p><strong>Welches Land f\u00f6rdert am meisten Nickel? \ud83c\udf0d<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                <a href=\"https:\/\/www.blogseite.com\/quiz\/australien\/\">Australien<\/a>            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                <a href=\"https:\/\/www.blogseite.com\/quiz\/indonesien\/\">Indonesien<\/a>            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                <a href=\"https:\/\/www.blogseite.com\/quiz\/russland\/\">Russland<\/a>            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                <a href=\"https:\/\/www.blogseite.com\/quiz\/kanada\/\">Kanada<\/a>            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-18\" data-index=\"18\" \n         class=\"disabled\">\n        <p><strong>Wie ist Nickel gegen\u00fcber Korrosion? \ud83d\udee1\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Sehr anf\u00e4llig            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                M\u00e4\u00dfig best\u00e4ndig            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Best\u00e4ndig (bildet Passivschicht)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Nur gegen S\u00e4uren            <\/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 Jahr wurde Nickel als Element anerkannt? \ud83d\udcc5<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                1700            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                1730            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                1751            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                1780            <\/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      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Es wird besonders h\u00e4ufig in Kabeln, Elektronik, Rohrleitungen und M\u00fcnzen verwendet. Kupfer spielt au\u00dferdem eine wichtige Rolle in erneuerbaren Energien und moderner Technik.<\/p>\n\n\n\n<p>Doch wie gut kennst du dich wirklich aus? Teste jetzt dein Wissen \u00fcber Eigenschaften, Verwendungsm\u00f6glichkeiten und spannende <a href=\"https:\/\/www.blogseite.com\/quiz\/kuriose-fakten\/\">Fakten<\/a> rund um Kupfer! \u269b\ufe0f\ud83d\udd0c\ud83d\ude04<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wie viel wei\u00dft du \u00fcber Kupfer? Kupfer ist ein r\u00f6tlich gl\u00e4nzendes \u00dcbergangsmetall, das f\u00fcr seine hervorragende elektrische und thermische Leitf\u00e4higkeit bekannt ist. Es wird besonders h\u00e4ufig in Kabeln, Elektronik, Rohrleitungen&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 Kupfer - Wieviel wei\u00dft du? - %%currentyear%% - Blogseite.com","_yoast_wpseo_metadesc":"Wieviel wei\u00dft du \u00fcber Kupfer? Wie gut kennst du Kupfer? Der Wissenstest \u00fcber Kupfer","footnotes":""},"categories":[2708],"tags":[2736],"class_list":["post-13277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stoffe","tag-kupfer"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quiz \u00fcber Kupfer - Wieviel wei\u00dft du? - 2026 - Blogseite.com<\/title>\n<meta name=\"description\" content=\"Wieviel wei\u00dft du \u00fcber Kupfer? Wie gut kennst du Kupfer? 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