The Periodic Table/31 - Gallium (Ga)

Element Gallium (Ga, 31)

Here you can read more about the chemical element Gallium. Its shemical symbol is Ga and its atomic number is 31. The relative atomic mass of Gallium is 69.723 u. The elemental classification of Gallium is Other metals, and it belongs to group 13 and period 4 in the Periodic Table of Elements.

The density of Gallium is 5910 kg/m3. And the mineral hardness of Gallium is 1.5 Mohs. The melting point of Gallium is 303 Kelvin (30 ℃). The boiling point of Gallium is 2676 Kelvin (2403 ℃). Gallium was discovered in the year 1875 by Lecoq de Boisbaudran.

To the right (or below if you are using a mobile device with a smaller screen) you will find the information given above for the element Gallium ordered in tabular form, which might be easier to read and use if you want to quantify it in some sort.

Data about element Gallium

Chemical symbol
Element classification
Other metals
Atomic number
Relativ atomic mass
Atomic mass
69.723 u
5910 kg/m3
Melting point
303 K   (30 ℃)
Boiling point
2676 K   (2403 ℃)
Mineral hardness
1.5 Mohs
Discovered year
Discovered by
Lecoq de Boisbaudran