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The total number of protons plus neutrons in an atom of ⁴⁵₂₀Ca is A.) 20 B.) 25 C.) 45 D.) 65
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2 votes
The total number of protons plus neutrons in an atom of ⁴⁵₂₀Ca is

A.) 20
B.) 25
C.) 45
D.) 65

User Oded Harth
by
4.4k points

1 Answer

5 votes

Answer:

b

Explanation:easy

User Ievgen Martynov
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