Mendeleev's Periodic Table > Cd - Cadmium

Cd - Cadmium

Cadmium is a toxic metal, discovered by Fredrich Strohmeyer in 1817, who was heating zinc carbonate (formerly known as kadmia) to remove impurities. Cadmium is a soft, bluish-white metal and is easily cut with a knife.

Atomic number - 48 Density g/mL 8 .65
Atomic weight u 112 .41 Melting point K 594 .18
Bonding radius A 1 .48 Boiling point K 1040
Atomic radius A 1 .71 Heat of vaporization kJ/mol 99 .57
Ionization Potential V 8 .993 Heat of fusion kJ/mol 6 .192
Electronegativity - 1 .69 Specific heat J/gK 0 .23
The oxide is mildly basic. Crystal are hexagonal.
Electron config. : [Kr] 4d10 5s2

Isotopes of Cd (Cadmium):

MASS abundancy
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass		 097
3 sec
EC/ECp,7.000
Ag-97/Pd-96
96.935172 		098
9.2 sec
EC,5.420 MeV
Ag-98
97.927578 		099
16 sec
EC/ECa/ECp,6.900
Ag-99/Rh-95/Pd-98
98.925012 		100
49.1 sec
EC,3.890 MeV
Ag-100
99.920278
MASS abundancy
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass		 101
1.2 min
EC,5.480 MeV
Ag-101
100.91867 		102
5.5 min
EC,2.587 MeV
Ag-102
101.91473 		103
7.3 min
EC,4.142 MeV
Ag-103
102.91341 		104
57.7 min
EC,1.136 MeV
Ag-104
103.90984
MASS abundancy
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass		 105
55.5 min
EC,2.739 MeV
Ag-105
104.90946 		106 1.25%

Stable

105.90645 		107
6.50 hr
EC,1.417 MeV
Ag-107
106.90661 		108 0.89%

Stable

107.90418
MASS abundancy
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass		 109
462.6 da
EC,1.116 MeV
Ag-109
108.90498 		110 12.49%

Stable

109.90300 		111 12.80%

Stable

110.90418 		112 24.13%

Stable

111.90275
MASS abundancy
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass		 113 12.22%
9.3E+15 yr
B-,2.059 MeV
In-113
112.90440 		114 28.73%

Stable

113.90335 		115
53.46 hr
B-,1.446 MeV
In-115
114.90543 		116 7.49%

Stable

115.90475
MASS abundancy
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass		 117
2.49 hr
B-,2.517 MeV
In-117
116.90721 		118
50.3 min
B-,7.188 MeV
In-118
117.90691 		119
2.69 min
B-,3.800 MeV
In-119
118.90992 		120
50.80 sec
B-,1.760 MeV
In-120
119.90985
MASS abundancy
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass		 121
13.5 sec
B-,4.890 MeV
In-121
120.91309 		122
5.24 sec
B-,3.000 MeV
In-122
121.91350 		123
2.10 sec
B-,6.120 MeV
In-123
122.91700 		124
1.24 sec
B-,4.170 MeV
In-124
123.91764
MASS abundancy
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass		 125
0.65 sec
B-,7.160 MeV
In-125
124.92128 		126
0.506 sec
B-,5.490 MeV
In-126
125.92235 		127
0.37 sec
B-,8.470 MeV
In-127
126.92643 		128
0.34 sec
B-,7.100 MeV
In-128
127.92775
MASS abundancy
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass		 129
0.27 sec
B-,1.251 MeV
In-129
129.0 		130
0.20 sec
B-/B-n,1.604
In-130/In-129
129.93090