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Information valid for W-184 unless otherwise noted

Basic Information

Symbol: W
Atomic Number: 74
Mass: 183.84
Melting Point: 3410.0 C
Boiling Point: 5660.0 C
Number of Protons/Electrons: 74
Number of Neutrons: 110
Classification: Transition Metal
Crystal Structure: Cubic
Density @ 293 K: 19.3 g/cm3
Color: Silver

Atomic Structure

[Bohr Model of Tungsten]
Number of Energy Levels: 6

  1. First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 32
    Fifth Energy Level: 12
    Sixth Energy Level: 2


Isotope Half Life
W-180 Stable
W-181 121.2 days
W-182 Stable
W-183 Stable
W-184 Stable
W-185 74.8 days
W-185m 1.6 minutes
W-186 Stable
W-187 23.9 hours
W-188 69.4 days


Date of Discovery: 1783
Discoverer: Fausto and Juan Jose de Elhuyar
Name Origin: From the Swedish words tungs ten (heavy stone)
Symbol Origin: From wolfram (its German name)
Uses: used widely in electronics industry
Obtained From: scheelite, wolframite

Related Links

Note: The external links below are not a part of this site and their content is not the responsibility of this site

  1. North American Tungsten Ltd.