fvvti15 fvvti15

27-10-2017
Physics

contestada

According to the Periodic Table of Elements, Calcium (Ca) has:

A- 20 protons and 20 electrons
B- 40.08 protons
C-20 protons and 20.08 electrons
D-20 protons and zero electrons

Respuesta :

lilyg1023 lilyg1023

16-04-2019

Answer:

A- 20 protons and 20 electrons

Explanation:

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