Question

8
How does variation of atomic radii in a group ?​

Answer 1

Answer:

Variation Within a Group

The atomic radii of elements increase with an increase in the atomic number from top to bottom in a group. As we move down the group, the principal quantum number increases. ... Hence, the atomic radius increases.

Answer 2

Answer:

Radii generally decreases from left to right along each period (row) of the table,from the alkali metals to the nobel gasses