Jacqh4owahannandre Jacqh4owahannandre

08-06-2016
Chemistry

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Calcium has an atomic number of 20. How many electrons does calcium lose when forming an ionic bond with another ion?
a. 1
b. 2
c. 3
d. 4

Respuesta :

john127 john127

08-06-2016

2 electrons. it has electron configuration of 2.8.8.2 hence the last 2 will be lost for it to gain stable.
if you need more explanation on periodic table you can reach me at njirulawrence@outlook.com

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