Category
post-transition metal
State at Room Temperature
solid
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p¹
Valence Electrons
3
Lewis Dot:•••
Electronegativity
1.81
Pauling scale
Oxidation States
+3
Melting Point
302.91 K
29.76°C
Boiling Point
2673 K
2399.85°C
Density
5.91
g/cm³
Position in Table
Group 13Period 4p-block
Discovery
Historical Information
Discovered byPaul-Émile Lecoq de Boisbaudran
Year1875
Common Uses
Applications & Industries
Semiconductors, LEDs, solar panels, thermometers
Related Elements
Same group or period
Related Calculators
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