Hydrogen
1a Alkali Metals
2a Alkali Earth Metals
3b Transition metals
4b Transition metals
5b Transition metals
6b Transition metals
7b Transition metals
8 Iron-Nickel
8 Ruthenium-Palladium
8 Osmium-Platinum
1b Transition metals
2b Transition metals
3a Boron-
4a Carbon-
5a Nitrogen-
6a Oxygen-
7a Halogens
0 Inert Gases
Lanthanide Series
Actinide Series
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