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  • 07-04-2020
  • Physics
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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

Respuesta :

annadasilva0316
annadasilva0316 annadasilva0316
  • 08-04-2020

Answer:

D)

Explanation:

The number of protons plus neutrons in an atom of 45 and 20ca is 65.

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