Tungsten

Koushik 26/06/2026 19:58:08 Updated 26/06/2026 19:58:08

Property	Value
Atomic Number	74
Element	Tungsten
Symbol	W
Atomic Mass	183.84 u
Number of Neutrons	110 (most common isotope, Tungsten-184)
Number of Protons	74
Number of Electrons	74
Period	6
Group	6
Phase	Solid
Radioactive	No
Natural	Yes
Metal	Yes
Nonmetal	No
Metalloid	No
Type	Transition Metal
Atomic Radius	193 pm
Electronegativity	2.36 (Pauling scale)
First Ionization Energy	7.864 eV
Density	19.25 g/cm³
Melting Point	3422 °C (highest among metals)
Boiling Point	5555 °C
Number of Isotopes	5 stable (W-180, W-182, W-183, W-184, W-186)
Discoverer	Juan José and Fausto Elhuyar
Year	1783
Specific Heat	0.132 J/g·K
Number of Shells	6
Number of Valence Electrons	6