Chlorine
Chlorine (Cl) is a chemical element belonging to the category Halogen, with atomic number 17 and atomic mass 35.4500 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
Identity
- Name: Chlorine
- Symbol: Cl
- Atomic number: 17
- Atomic mass: 35.4500 u
Position in the periodic table
- Group: 17
- Period: 3
- Category: Halogen
Physico-chemical properties
- Standard state: Gas
- Melting point: -101°C
- Density (gas at 0°C and 1 atm): 0.0032 g/cm³
- Electron configuration: [Ne] 3s² 3p⁵
Scientific description
Chlorine is a chemical element with symbol Cl and atomic number 17. It belongs to the category of halogens and occupies group 17 and period 3. Its standard atomic mass is 35.4500 u.
KODO: H8