Question

Which is bigger in size Na11 or K19

Answer 1

K potassium is bigger in size cuz as you go down the group size of atoms increases , cuz new more atoms are added up meanwhile entering new orbitals so this increases radius of valence electron from the nucleus , deceasing steric hindrens!!!

K19 IS BIGGER IN SIZE THAN NA11

THOUGH both are from different groups

HOPES IT HELPS MARK THIS AS BRAINLEST CUZ IT TOOK MY 4.5 MIN.

Answer 2

K 19 is bigger in size because as we go down to the group size of atom increases