Chemistry, 03.02.2021 20:00 dedgefield
Calcium has an atomic number of 20 and an atomic mass (weight) of 40. Therefore, we know that calcium has
20 protons
40 protons
40 electrons
20 neutrons
20 electrons
select all that apply
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Calcium has an atomic number of 20 and an atomic mass (weight) of 40. Therefore, we know that calciu...
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