Top Atomic Number Quizzes & Trivia

From hydrogen’s lonely little one to hassium’s hefty hundred and eight, the atomic number of an element tells you some important information about the substance under study.

What gives an element its specific atomic number – its number of protons, neutrons, or electrons? If I add one to the atomic number of neon, a gas, why do I get Na, a metal, in its place? And what does an atomic number have to do with how massive an atom of that element is? If you need to polish up your skills with the periodic table, or if you think you can already tell the atomic number for Mg from that of Mn, take our atomic number quiz and give yourself a chemistry challenge!

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