Tungsten (W) VS Osmium (Os)
A definitive side-by-side comparison of two essential element profiles.
VS
Main Differences
Tungsten (W) is an element in the transition metals category with an atomic number of 74. Osmium (Os) is an element in the transition metals category with an atomic number of 76.
Osmium (Os) is 1.2x denser than Tungsten (W). Furthermore, Tungsten (W) melts at a significantly higher temperature than Osmium (Os) (a difference of 389.0 Kelvin).
Where do the names come from?
W Tungsten (W) Naming History
The name Tungsten is derived from the Swedish ''tung sten'' meaning heavy stone.
Os Osmium (Os) Naming History
The name Osmium is derived from the Greek word ''osme'', meaning smell.
Related Comparisons
Compare
Tungsten (W)
Osmium (Os)
Category
Transition Metals
Transition Metals
Atomic Number
74
76
Symbol
W
Os
Atomic Mass
183.84 u
190.23 u
Group
6
8
Period
6
6
Block
d-block
d-block
Standard State (at 20°C)
solid
solid
Density
19.25 g/cm³
22.59 g/cm³
Melting Point (°C)
3414°C
3033°C
Melting Point (°F)
6177°F
5491°F
Melting Point (K)
3695 K
3306 K
Boiling Point (°C)
5555°C
5008°C
Boiling Point (°F)
10031°F
9046°F
Boiling Point (K)
5828 K
5285 K
Year Discovered:
1783
1803
CAS Number
7440-33-7
02/04/7440
Origin of Name:
The name is derived from the Swedish ''tung sten'' meaning heavy stone.
The name is derived from the Greek word ''osme'', meaning smell.