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
Crystal Structure: Cubic
Density @ 293 K: 19.3 g/cm3
Color: Silver
Atomic Structure
![[Bohr Model of Tungsten]](b0074.gif) |
Number of Energy Levels: 6 First Energy Level: 2 Second Energy Level: 8 Third Energy Level: 18 Fourth Energy Level: 32 Fifth Energy Level: 12 Sixth Energy Level: 2 |
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: 1783Discoverer: 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
Information provided by: http://www.chemicalelements.com