1A
Alkali Metals (Lithium)
2A
Alkaline Earth Metals (Beryllium)
group B
inner transition + transition metals
inner transitional metals
lanthanides, actinides
3A
Icosogens (Boron)
4A
Tetrogens (Carbon)
5A
pnictogens (Nitrogen)
6A
Chalcogens (Oxygen)
7A
Halogens (Flourine)
8A
Noble Gases