ladejabrown7546 ladejabrown7546

21-12-2021
Chemistry

contestada

A calcium atom has 20 protons, 20 electrons, and 20 neutrons. When calcium forms a positive two ion it's new composition is

Respuesta :

lindseywg123 lindseywg123

21-12-2021

Answer:

40

Explanation:

I'm not sure

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