Category
post-transition metal
State at Room Temperature
solid
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p¹
Valence Electrons
3
Lewis Dot:•••
Electronegativity
1.78
Pauling scale
Oxidation States
+3
Melting Point
429.75 K
156.60°C
Boiling Point
2345 K
2071.85°C
Density
7.31
g/cm³
Position in Table
Group 13Period 5p-block
Discovery
Historical Information
Discovered byFerdinand Reich, Hieronymous Theodor Richter
Year1863
Common Uses
Applications & Industries
LCD screens, semiconductors, solders, alloys
Related Elements
Same group or period
Related Calculators
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