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Element Number Quiz
Science Fundamentals

An element's atomic number is the same as its number of protons. The number of neutrons determines isotope, while the number of electrons determines the type of ion. Do you know the atomic number of the first few elements? Here's your chance to find out.

Start this quiz again.

Related Resources
Periodic Table of the Elements
Element Symbol Quiz
Element Mnemonic Device
Isotopes & Nuclear Symbols
Atomic Number Versus Atomic Mass
Basic Model of the Atom

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