Period 2 element
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A period 2 element is one of the chemical elements in the second row (or period) of the periodic table of the elements.
These are:
| Group | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| # Name |
3 Li |
4 Be |
5 B |
6 C |
7 N |
8 O |
9 F |
10 Ne |
||||||||||
| e--conf. | ||||||||||||||||||
| Alkali metals | Alkaline earth metals | Lanthanides | Actinides | Transition metals |
| Poor metals | Metalloids | Nonmetals | Halogens | Noble gases |
Standard · Vertical · Full names · Names and atomic masses · Text for last · Huge table · Atomic masses
Electron configurations · Metals and nonmetals · Blocks · Valences · Inline f-block · 218 elements · Alternatives
Lists of elements:
Name · Atomic symbol · Atomic number · Boiling point · Melting point · Density · Atomic mass
Groups:
1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15 · 16 · 17 · 18
Periods:
1 · 2 · 3 · 4 · 5 · 6 · 7 · 8
Series:
Alkalis · Alkaline earths · Lanthanides · Actinides · Transition metals
Poor metals · Metalloids · Nonmetals · Halogens · Noble gases
