Category
halogen
State at Room Temperature
gas
Electron Configuration
1s² 2s² 2p⁵
Valence Electrons
7
Lewis Dot:•••••••
Electronegativity
3.98
Pauling scale
Oxidation States
-1
Melting Point
53.48 K
-219.67°C
Boiling Point
85.03 K
-188.12°C
Density
0.001696
g/cm³
Position in Table
Group 17Period 2p-block
Discovery
Historical Information
Discovered byHenri Moissan
Year1886
Common Uses
Applications & Industries
Toothpaste, refrigerants, uranium enrichment, Teflon production
Related Elements
Same group or period
Related Calculators
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