Question

What happen to the following when move down the group in periodic table

1• Atomic structure
2• Atomic size.

What happen to the following when move left to right in the periodic table.

1• Atomic structure
2• Atomic size

Answer 1

on moving down a group the size of the atom increases and,on moving left to right on period atomic size decreases

Answer 2

atomic structure is similar for elements down the group but not along the period