Question

An element of Group II loses two electrons in the process of a chemical combination. What is its ionic charge?

Answer 1

The answer is +2

Hope this helps!

Answer 2

Explanation:

An element that gains one electron will tend to acquire a negative charge whereas an element that tend to lose an electron will acquire a positive charge.

Similarly, an element losing two electrons will acquire a 2+ charge.

For example, calcium is a group II element and has 2 valence electrons. Therefore, to attain stability it loses two electrons and thus changes into $Ca^{2+}$ ion.

Hence, we can conclude that an element of Group II loses two electrons in the process of a chemical combination then its ionic charge will be +2.