Periodic Table:

Element 25 - Manganum / Manganese

(Latin / English)

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

53 *

52.9413

0

7/2-

54 *

53.9404

0

3+

55

54.9381

100

5/2-

56 *

55.9389

0

3+

(* = unstable isotope)

Electron Configuration:

[Ar] 3d5 4s2

Relative Atomic Mass:

54.938

State (25°C, 1 atm):

solid, metal

Density:

7440 kg/m3

Melting Temperature:

1517 K

Boiling Temperature:

2235 K

© W. Bauer, 1999