3.12 Consider the following species :N, 02, F. Na, Mg?* and All(a) What is common in them?(b) Arrange them in the order of increasing ionic radili.

3.12 Consider the following species :N, 02, F. Na, Mg?* and All(a) W

1.	3.12 Consider the following species :N, 02, F. Na, Mg?* and All(a) What is common in them?(b) Arrange them in the order of increasing ionic radili.
Answer» they are in same PERIODS