Category
halogen
State at Room Temperature
solid
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁵
Valence Electrons
7
Lewis Dot:•••••••
Electronegativity
2.66
Pauling scale
Oxidation States
-1+1+3+5+7
Melting Point
386.85 K
113.70°C
Boiling Point
457.4 K
184.25°C
Density
4.933
g/cm³
Position in Table
Group 17Period 5p-block
Discovery
Historical Information
Discovered byBernard Courtois
Year1811
Common Uses
Applications & Industries
Disinfectants, pharmaceuticals, dietary supplement, contrast media
Related Elements
Same group or period
Related Calculators
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