The Periodic Table/78 - Platinum (Pt)

Element Platinum (Pt, 78)

Here you can read more about the chemical element Platinum. Its shemical symbol is Pt and its atomic number is 78. The relative atomic mass of Platinum is 195.084 u. The elemental classification of Platinum is Transition metals, and it belongs to group 10 and period 6 in the Periodic Table of Elements.

The density of Platinum is 21450 kg/m3. And the mineral hardness of Platinum is 4.3 Mohs. The melting point of Platinum is 2042 Kelvin (1769 ℃). The boiling point of Platinum is 4100 Kelvin (3827 ℃). Platinum was discovered in the year 1748 by Antonio de Ulloa.

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

Data about element Platinum

Chemical symbol
Element classification
Transition metals
Atomic number
Relativ atomic mass
Atomic mass
195.084 u
21450 kg/m3
Melting point
2042 K   (1769 ℃)
Boiling point
4100 K   (3827 ℃)
Mineral hardness
4.3 Mohs
Discovered year
Discovered by
Antonio de Ulloa