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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. | ||||||||||||||||||
Element categories in the periodic table
| Metals | Metalloids | Nonmetals | |||||||
| Alkali metals | Alkaline earth metals | Inner transition elements | Transition elements | Other metals | Other nonmetals | Halogens | Noble gases | ||
| Lanthanides | Actinides | ||||||||
| Periodic tables | |
|---|---|
| Layouts | Standard ยท Vertical ยท Full names ยท Names and atomic masses ยท Text for last ยท Huge table ยท Metals and nonmetals ยท Blocks ยท Valences ยท Inline f-block ยท 218 elements ยท Electron configurations ยท Atomic masses ยท Electronegativities ยท Alternatives |
| Lists of elements | Name ยท Atomic symbol ยท Atomic number ยท Boiling point ยท Melting point ยท Density ยท Atomic mass |
| Groups | 1 ยท 2 ยท 3 ยท 4 ยท 5 ยท 6 ยท 7 ยท 8 ยท 9 ยท 10 ยท 11 ยท 12 ยท 13 ยท 14 ยท 15 ยท 16 ยท 17 ยท 18 |
| Periods: | 1 ยท 2 ยท 3 ยท 4 ยท 5 ยท 6 ยท 7 ยท 8 |
| Element categories | Alkalis ยท Alkaline earths ยท Lanthanides ยท Actinides ยท Transition metals ยท Metals ยท Metalloids ยท Nonmetals ยท Halogens ยท Noble gases |
| Blocks | s-block ยท p-block ยท d-block ยท f-block ยท g-block |
This article is licensed under the GNU Free Documentation License. It uses material from Wikipedia
