Element 51 - Stibium / Antimony

(Latin / English)

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

121

120.9038

57.3

5/2+

122 *

121.9052

0

2-

123

122.9042

42.7

7/2+

124 *

123.9050

0

3

125 *

124.9053

0

1/2+

(* = unstable isotope)

Mass Number	Atomic Mass	% Abundance	Nuclear Spin
121	120.9038	57.3	5/2+
122 *	121.9052	0	2-
123	122.9042	42.7	7/2+
124 *	123.9050	0	3
125 *	124.9053	0	1/2+

Electron Configuration:

[Kr] 4d¹⁰ 5s² 5p³

Relative Atomic Mass:

121.75

State (25°C, 1 atm):

solid, metal

Density:

6691 kg/m³

Melting Temperature:

903.9 K

Boiling Temperature:

1908 K

Electron Configuration:	[Kr] 4d¹⁰ 5s² 5p³
Relative Atomic Mass:	121.75
State (25°C, 1 atm):	solid, metal
Density:	6691 kg/m³
Melting Temperature:	903.9 K
Boiling Temperature:	1908 K