Periodic Table:

Element 71 - Lutetium / Lutetium

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

175

174.9741

97.41

7/2+

176 *

175.9427

2.59

7-

177 *

176.9438

0

7/2+

(* = unstable isotope)

Electron Configuration:

[Xe] 4f14 5d1 6s2

Relative Atomic Mass:

174.97

State (25°C, 1 atm):

solid, metal

Density:

9840 kg/m3

Melting Temperature:

1936 K

Boiling Temperature:

3668 K

© W. Bauer, 1999