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PERIODIC TABLE
Gallium
Atomic No. 31
Ga
Gallium
About Gallium
Gallium is a metal with atomic number 31 that melts slightly above ordinary room temperature and commonly forms compounds in the +3 oxidation state. Gallium arsenide is used in electronic and optoelectronic devices, while gallium nitride is used in light emitting diodes and power electronics. These compound semiconductors connect gallium chemistry to lighting, communications and efficient electrical power conversion.
Properties
- Atomic Number
- 31
- Atomic Symbol
- Ga
- Atomic Mass
- 69.723
- CAS No.
- 7440-55-3
- Density
- 5.904 g/cm³
- Series
- post-transition metal
- Melting Point
- 29.76°C
- Boiling Point
- 2,204°C
- Thermal Conductivity
- 0.29 W/cm °C
- Heat of Fusion
- 5.59 kJ/mol
- Heat of Vaporization
- 256 kJ/mol
- Electronegativity
- 1.81 pauling
- Crystal Structure
- Cubic
- Electrical Conductivity
- 7.1×106 S/m
Gallium Products
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