When Calcium (Ca)bonds with oxygen,it gives up two electrons.What is the charge of the Ca ion in this compound?
A)+1
B)-1
C)+2
D)-2

Question

Quizplus · Accepted Answer

When calcium bonds with oxygen, it loses two electrons, thus forming a positively charged ion (Ca2+), making the charge of the Ca ion in this compound +2. Therefore, the best choice is C (+2) as it represents the charge of the Ca ion in this compound.

When Calcium (Ca)bonds with Oxygen,it Gives Up Two Electrons