17Cl
Chlorine
Halogen
Properties of Chlorine
- Atomic number (Z)
- 17
- Symbol
- Cl
- Name
- Chlorine
- Atomic mass
- 35.453 u
- Period
- 3
- Group
- 17
- Family
- Halogens
- Classification
- Halogen
- Electron configuration
- [Ne] 3s² 3p⁵
About Chlorine
Chlorine is a chemical element with symbol Cl and atomic number 17 (atomic mass of about 35.453 u). It is classified as a halogen on the periodic table.
On the periodic table, Chlorine is located in period 3, 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 Chlorine is [Ne] 3s² 3p⁵, which determines how it forms chemical bonds and takes part in reactions.