Osmium
(Os)
020
281832142
Os
Category
Transition metal
Relative atomic mass
190.2
Density
22.57
Melting point (°C)
3033
Boiling point (°C)
5012
Electronegativity (Pauling)
2.2
Discovery year
1803
Discovered by
Electrons: 76
Protons: 76
Neutrons: 114
created by @lukaswyss
Osmium (Os) – Element 76