Tungsten

Basic Information Crystal Structure Isotope Facts Related Links


Basic Data

Symbol: W
Atomic Number: 74
Atomic weight: 183.85u
Melting Point: 3680K
Boiling Point: 5828K
Number of Protons/Electrons: 74
Number of Neutrons: 110
Classification: Transition Metal
Crystal Structure: body Centered Cubic
Density at 293 K: 19.3g/mL
Color: Silver
Bonding radius: 1.3A
Atomic radius: 2.02A
Ionization Potential: 7.98V
Electronegativity: 2.36
Heat of vaporization: 8.24kJ/mol
Heat of fusion: 35.4kJ/mol
Specific heat: 0.13J/gK
Electron configuration: [Xe]4f145d46s2



Crystal Structure


Isotopes

Isotope Half Life
W180 Stable
W180 121.2 days
W180 Stable
W180 Stable
W180 Stable
W180 74.8 days
W180 1.6 minutes
W180 Stable
W180 23.9 hours
W180 69.4 days


Facts

Date of Discovery: 1783
Discoverer: Fausto and Juan Jose de Elhuyar
Uses: Used widely in electronics industry
Obtained From: Scheelite, wolframite


Related Links