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Nuetrik [128]
4 years ago
14

If calcium has the atomic number 20

Chemistry
1 answer:
dimaraw [331]4 years ago
8 0
If you have a neutral atom (like you normally would) then the number of electrons is equal to the number of protons. If you had more electrons then the charge would be negative. In this case, you would have 20 electrons.
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