Question

State any three changes in the properties of group-1 elements of modern periodic table. If we move downwards.

Answer 1

1.Atomic and ionic size increases on moving downwards.
2.Ionization potential decreases on moving downwards.
3.Electropositivity and metallic character decreases on moving downwards.
4.Melting and boiling points decreases on moving downwards.
5.Electronegativity increases on moving downwards.
6.Density is decreases on moving downwards.

Answer 2

metallic character increases
atomic radius increases
electronegetivity decreases