Element 52 - Tellurium / Tellurium

(Latin / English)

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

120

119.9040

0.096

0

122

121.9031

2.603

0

123 *

122.9043

0.906

1/2+

124

123.9028

4.816

0

125

124.9044

7.139

1/2+

126

125.9033

18.950

0

127 *

126.9052

0

3/2+

128

127.9045

31.690

0

130 *

129.9062

33.800

0

(* = unstable isotope)

Mass Number	Atomic Mass	% Abundance	Nuclear Spin
120	119.9040	0.096	0
122	121.9031	2.603	0
123 *	122.9043	0.906	1/2+
124	123.9028	4.816	0
125	124.9044	7.139	1/2+
126	125.9033	18.950	0
127 *	126.9052	0	3/2+
128	127.9045	31.690	0
130 *	129.9062	33.800	0

Electron Configuration:

[Kr] 4d¹⁰ 5s² 5p⁴

Relative Atomic Mass:

127.60

State (25°C, 1 atm):

solid, non-metal

Density:

6240 kg/m³

Melting Temperature:

722.7 K

Boiling Temperature:

1263 K

Electron Configuration:	[Kr] 4d¹⁰ 5s² 5p⁴
Relative Atomic Mass:	127.60
State (25°C, 1 atm):	solid, non-metal
Density:	6240 kg/m³
Melting Temperature:	722.7 K
Boiling Temperature:	1263 K