Periodic Table:

Element 41 - Niobium / Niobium

(Latin / English)

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

93

92.9064

100

9/2+

94 *

93.9073

0

6+

(* = unstable isotope)

Electron Configuration:

[Kr] 4d4 5s1

Relative Atomic Mass:

92.906

State (25°C, 1 atm):

solid, metal

Density:

8570 kg/m3

Melting Temperature:

2741 K

Boiling Temperature:

5015 K

© W. Bauer, 1999