Question

mg - ____ = mg2+ class 8​

Answer 1

o². is your answer

and it is basic in nature ......

i hop you undersand...

Answer 2

Answer:

Mg - 2e- = Mg2+

Explanation:

Here, the loss of 2 electrons takes place from Magnesium atom, resulting in cation of Magnesium. It has valency of 2. e- means electron.