Periodic Table:

Element 74 - Wolframum / Tungsten

(Latin / English) 

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

180

179.9467

0.12

0

182

181.9482

26.30

0

183

182.9502

14.28

1/2-

184

183.9509

30.70

0

185 *

184.9534

0

3/2-

186

185.9544

28.60

0

187 *

186.9572

0

3/2-

(* = unstable isotope)

Electron Configuration:

[Xe] 4f14 5d4 6s2

Relative Atomic Mass:

183.85

State (25°C, 1 atm):

solid, metal

Density:

19300 kg/m3

Melting Temperature:

3680 K

Boiling Temperature:

5930 K

© W. Bauer, 1999