Symbol Ga
Atomic Number 31
Atomic Mass 69.72 g.mol -1
Discovered by Paul-Émile Lecoq de Boisbaudran

Chemical Properties Of Gallium

Group 13 Melting point 29.8 °C
Period 4 Boiling point 2204 °C
Block p Density (g cm−3) 5.91
Atomic number 31 Relative atomic mass 69.723
State at 20°C Solid Key isotopes 69Ga
Electron configuration [Ar] 3d104s24p1 CAS number 7440-55-3
ChemSpider ID 4514603 ChemSpider is a free chemical structure database

What is Gallium?

  • Gallium is a chemical element with atomic number 31. The Solid gallium is of blue-gray metal having orthorhombic crystalline structure whereas a very pure gallium is coated with stunning silvery color.
  • It does not exist in pure form in nature, and its compounds do not act as a primary source of extraction

Uses Of Gallium

  • It is used in Blue-ray technology, blue and green LEDs, mobile phones and pressure sensors for touch switches.
  • Gallium nitride acts as a semiconductor. It consists of certain properties that make it very versatile.

Properties Of Gallium

  • This metal can be easily extracted as a by-product from iron pyrites, zinc blende, germanite, and bauxite.
  • It is solid at room temperature but when it comes in contact with cesium, mercury, and rubidium it becomes liquid (when heated slightly).
  • This element has been considered as a possible heat exchange medium in nuclear reactors.

Certain Facts About Gallium

  • When Gallium is added to certain metals it causes them to become brittle.
  • Gallium has one of the largest ranges in which it is a liquid when compared to other metals.
Test your knowledge on Gallium

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