How does atomic radius vary in a period and in a group? How do you explain the variation.

How does the atomic radius vary in a period of elements?

How does it very in a group and in a period ?

What are atomic and ionic radii? How do they vary in a period and in a group

What are atomic and ionic radii? How do they vary in a period and in a group?

How does the ionization energy vary in a group and a period ?

How does atomic radius of an element vary across a period from left to right ?

What is periodic property? How the following properties vary in a group and in a period? Explain. Metallic character.

How does the nature of oxides vary in the third period?