Physics, 07.04.2020 17:50 bebo14

The total number of protons plus neutrons in an atom of ⁴⁵₂₀Ca is

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

Answers: 1

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The total number of protons plus neutrons in an atom of ⁴⁵₂₀Ca is

A.) 20
B.) 25...