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steposvetlana [31]
3 years ago
15

The order of elements in the periodic table is based on

Chemistry
2 answers:
Burka [1]3 years ago
8 0
A. The number of protons

This is also known as the atomic number. While as the number of neutrons and electrons can change, creating isotopes and ions, respectively, the protons do not.
LekaFEV [45]3 years ago
7 0
A. number of protons in the nucleus
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