Mikaylenkpopwilliams Mikaylenkpopwilliams

16-04-2020
Chemistry

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The number 40 in the name calcium-40 represents

A. the atomic number

B. the number of protons in the atom

C. the sum of the protons and neutrons

D. none of these

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aishahhueck72 aishahhueck72

16-04-2020

Answer:

A. the atomic number

Explanation:

It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth.

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autumnharrington autumnharrington

16-04-2020

a) the atomic number

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