Category
halogen
State at Room Temperature
gas
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁵
Valence Electrons
7
Lewis Dot:•••••••
Electronegativity
3.16
Pauling scale
Oxidation States
-1+1+3+5+7
Melting Point
171.6 K
-101.55°C
Boiling Point
239.11 K
-34.04°C
Density
0.003214
g/cm³
Position in Table
Group 17Period 3p-block
Discovery
Historical Information
Discovered byCarl Wilhelm Scheele
Year1774
Common Uses
Applications & Industries
Water purification, disinfectants, PVC production, bleach
Related Elements
Same group or period
Related Calculators
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