9F
Fluorine
Halogen
Properties of Fluorine
- Atomic number (Z)
- 9
- Symbol
- F
- Name
- Fluorine
- Atomic mass
- 18.998 u
- Period
- 2
- Group
- 17
- Family
- Halogens
- Classification
- Halogen
- Electron configuration
- [He] 2s² 2p⁵
About Fluorine
Fluorine is a chemical element with symbol F and atomic number 9 (atomic mass of about 18.998 u). It is classified as a halogen on the periodic table.
On the periodic table, Fluorine is located in period 2, in group 17, belonging to the halogens family. An element's position reveals trends in its properties, such as atomic radius, electronegativity and metallic character.
The electron configuration of Fluorine is [He] 2s² 2p⁵, which determines how it forms chemical bonds and takes part in reactions.