Group 13 Boron Family

Group 14 Carbon Family

Group 14 Carbon Family

Boron Family Part -1

Boron Family Part -2

Variation OF Atomic Size Along Group -G-1,G-2,G-14,G-15,G-16,G-17,G-18 || Exception OF Boron Family (G-13) || Transition Contraction || Variation OF Size in d block || Lanthanoid and Actinoid Contraction || ds in AR - In a Period/In a Group

Group 15 Nitrogen Family

Group 17 Halogen Family

Group 16 Oxygen Family

Group 16 Oxygen Family

Group 17 Halogen Family