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What is an Atomic Number?
0:40
YouTubeMath and Science
What is an Atomic Number?
Atomic numbers are the unique identifiers of elements, giving each one its distinct identity. The atomic number tells you how many protons are in the nucleus of an atom of that element. Since protons have a positive charge, the atomic number also indicates the number of electrons (negatively charged) in a neutral atom, balancing things out ...
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