Periodic Table:

Element 42 - Molybdaenum / Molybdenum

(Latin / English)

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

92

91.9068

14.84

0

94

93.9051

9.25

0

95

94.9058

15.92

5/2+

96

95.9047

16.68

0

97

96.9060

9.55

5/2+

98

97.9054

24.13

0

99 *

98.9077

0

1/2+

100

99.9075

9.63

0

(* = unstable isotope)

Electron Configuration:

[Kr] 4d5 5s1

Relative Atomic Mass:

95.94

State (25°C, 1 atm):

solid, metal

Density:

10220 kg/m3

Melting Temperature:

2890 K

Boiling Temperature:

4885 K

© W. Bauer, 1999