what-is-the-charge-of-an-ion-formed-by-an-element-in-group-2-of-the-periodic-tab

Question

What is the charge of an ion formed by an element in Group 2 of the periodic table?

Accepted Answer

+2, because it loses two valence electrons.

Answer

+1, because it loses one valence electron.

Answer

-1, because it gains one electron.

Answer

-2, because it gains two electrons.