The Periodic Table/76 - Osmium (Os)

Element Osmium (Os, 76)

Here you can read more about the chemical element Osmium. Its shemical symbol is Os and its atomic number is 76. The relative atomic mass of Osmium is 190.23 u. The elemental classification of Osmium is Transition metals, and it belongs to group 8 and period 6 in the Periodic Table of Elements.

The density of Osmium is 22570 kg/m3. And the mineral hardness of Osmium is 7 Mohs. The melting point of Osmium is 3300 Kelvin (3027 ℃). The boiling point of Osmium is 4500 Kelvin (4227 ℃). Osmium was discovered in the year 1803 by Smithson Tennant.

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 Osmium ordered in tabular form, which might be easier to read and use if you want to quantify it in some sort.

Data about element Osmium

Chemical symbol
Element classification
Transition metals
Atomic number
Relativ atomic mass
Atomic mass
190.23 u
22570 kg/m3
Melting point
3300 K   (3027 ℃)
Boiling point
4500 K   (4227 ℃)
Mineral hardness
7 Mohs
Discovered year
Discovered by
Smithson Tennant