Chemical Elements.com - Tungsten (W)

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Basic Information

Name: Tungsten
Symbol: W
Atomic Number: 74
Atomic Mass: 183.84 amu
Melting Point: 3410.0 °C (3683.15 K, 6170.0 °F)
Boiling Point: 5660.0 °C (5933.15 K, 10220.0 °F)
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

Number of Energy Levels: 6

First Energy Level:

Second Energy Level:

Third Energy Level:

Fourth Energy Level:

Fifth Energy Level:

Sixth Energy Level:

Isotopes

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

Facts

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

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