Cadmi

Cadmi (Cd)

chemical element with symbol Cd and atomic number of 48
Atomic Number48
Atomic Weight112.414
Rhif màs114
Group12
Period5
Blockd
Proton48 p+
Niwtron66 n0
Electron48 e-
Animated Bohr model of Cd (Cadmi)

Nodwedd Ffisegol

Atomic Radius
155 pm
molar volume
covalent radius
136 pm
Metallic Radius
138 pm
ionic radius
78 pm
Crystal Radius
92 pm
Van der Waals radius
218 pm
density
8.69 g/cm³
Atomic Radii Of The Elements: Cadmi0102030405060708090100110120130140150160170180190200210220pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Nodwedd Gemegol

egni
proton affinity
electron affinity
ionization energy
8.993822 eV/particle
ionization energy of Cd (Cadmi)
enthalpy of vaporization
59.1 kJ/mol
enthalpy of fusion
6.11 kJ/mol
standard enthalpy of formation
111.8 kJ/mol
Electron
plisgyn yr electron2, 8, 18, 18, 2
Bohr model: Cd (Cadmi)
valence electron2
Lewis structure: Cd (Cadmi)
trefn yr electronnau[Kr] 4d10 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 5s2
Enhanced Bohr model of Cd (Cadmi)
Orbital Diagram of Cd (Cadmi)
Cyflwr ocsidiad-2, 1, 2
Electronegatifedd
1.69
Electrophilicity Index
cyflwr sylfaenol mater
cyflwr materSolid
gaseous state of matter
Boiling Point
1,040.15 K
Melting Point
594.219 K
critical pressure
critical temperature
triple point
appearance
lliw
Silver
appearancesilvery bluish-gray metallic
Mynegrif plygiant
nodwedd ffisegol gwrthrych
Thermal Conductivity
96.9 W/(m K)
thermal expansion
0.0000308 1/K
molar heat capacity
26.02 J/(mol K)
Specific Heat Capacity
0.232 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
dargludedd trydanol
14 MS/m
Gwrthedd
0.00000007000000000002 m Ω
superconductivity
0.517 K
magnetism
typediamagnetic
magnetic susceptibility (Mass)
-0.0000000023 m³/Kg
magnetic susceptibility (Molar)
-0.000000000259 m³/mol
magnetic susceptibility (Volume)
-0.0000199
magnetic ordering
Curie temperature
Néel temperature
strwythur
Crystal StructureSimple Hexagonal (HEX)
lattice constant
2.98 Å
Lattice Anglesπ/2, π/2, 2 π/3
nodwedd mecanyddol deunyddiau
hardness
2 MPa
bulk modulus
42 GPa
shear modulus
19 GPa
Young's modulus
50 GPa
Poisson's ratio
0.3
speed of sound
2,310 m/s
classification
CategoryTransition metals, Transition metals
CAS GroupIIB
IUPAC GroupIIB
Glawe Number75
Mendeleev Number78
Pettifor Number75
Geochemical Class
Goldschmidt classificationchalcophile

other

Gas Basicity
polarizability
46 ± 2 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
2,450
Neutron Mass Absorption
1.4
quantum number1S0
space group194 (P63/mmc)

Isotopes of Cadmium

Stable Isotopes3
Unstable Isotopes39
Natural Isotopes8
Isotopic Composition11428.75%11428.75%11224.11%11224.11%11012.47%11012.47%11112.80%11112.80%11312.23%11312.23%1167.51%1167.51%1061.25%1061.25%1080.89%1080.89%

94Cd

Rhif màs94
neutron number46
relative atomic mass
93.956586 ± 0.000537 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod2016
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

95Cd

Rhif màs95
neutron number47
relative atomic mass
94.949483 ± 0.000607 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
32 ± 3 ms
spin9/2
nuclear quadrupole moment
dyddiad darganfod2011
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)4.6%

96Cd

Rhif màs96
neutron number48
relative atomic mass
95.940341 ± 0.00044 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1,003 ± 47 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod2008
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)1.6%

97Cd

Rhif màs97
neutron number49
relative atomic mass
96.934799343 ± 0.000451073 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.16 ± 0.05 s
spin9/2
nuclear quadrupole moment
dyddiad darganfod1978
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)7.4%

98Cd

Rhif màs98
neutron number50
relative atomic mass
97.927389315 ± 0.000055605 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
9.29 ± 0.1 s
spin0
nuclear quadrupole moment
0
dyddiad darganfod1978
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.029%

99Cd

Rhif màs99
neutron number51
relative atomic mass
98.924925845 ± 0.0000017 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
17 ± 1 s
spin5/2
nuclear quadrupole moment
dyddiad darganfod1978
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.21%
β+α (β+-delayed α emission)1%

100Cd

Rhif màs100
neutron number52
relative atomic mass
99.920348829 ± 0.0000018 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
49.1 ± 0.5 s
spin0
nuclear quadrupole moment
0
dyddiad darganfod1970
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

101Cd

Rhif màs101
neutron number53
relative atomic mass
100.918586209 ± 0.0000016 Da
g-factor
-0.3588 ± 0.00016
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.36 ± 0.05 m
spin5/2
nuclear quadrupole moment
-0.177 ± 0.007
dyddiad darganfod1969
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

102Cd

Rhif màs102
neutron number54
relative atomic mass
101.914481797 ± 0.000001784 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
5.5 ± 0.5 m
spin0
nuclear quadrupole moment
0
dyddiad darganfod1969
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

103Cd

Rhif màs103
neutron number55
relative atomic mass
102.913416922 ± 0.000001943 Da
g-factor
-0.33944 ± 0.00016
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
7.3 ± 0.1 m
spin5/2
nuclear quadrupole moment
-0.007 ± 0.003
dyddiad darganfod1960
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

104Cd

Rhif màs104
neutron number56
relative atomic mass
103.909856228 ± 0.000001795 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
57.7 ± 1 m
spin0
nuclear quadrupole moment
0
dyddiad darganfod1955
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

105Cd

Rhif màs105
neutron number57
relative atomic mass
104.909463893 ± 0.000001494 Da
g-factor
-0.29528 ± 0.00016
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
55.5 ± 0.4 m
spin5/2
nuclear quadrupole moment
0.377 ± 0.015
dyddiad darganfod1950
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

106Cd

Rhif màs106
neutron number58
relative atomic mass
105.906459791 ± 0.000001184 Da
g-factor
0
natural abundance
1.245 ± 0.022
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod1935
parity+

decay modeintensity
+ (double β+ decay)

107Cd

Rhif màs107
neutron number59
relative atomic mass
106.906612049 ± 0.000001782 Da
g-factor
-0.24564 ± 0.00012
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
6.5 ± 0.02 h
spin5/2
nuclear quadrupole moment
0.6 ± 0.02
dyddiad darganfod1946
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

108Cd

Rhif màs108
neutron number60
relative atomic mass
107.904183588 ± 0.000001205 Da
g-factor
0
natural abundance
0.888 ± 0.011
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod1935
parity+

decay modeintensity
+ (double β+ decay)

109Cd

Rhif màs109
neutron number61
relative atomic mass
108.904986697 ± 0.000001649 Da
g-factor
-0.33064 ± 0.00016
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
461.3 ± 0.5 d
spin5/2
nuclear quadrupole moment
0.6 ± 0.03
dyddiad darganfod1950
parity+

decay modeintensity
ϵ (electron capture)100%

110Cd

Rhif màs110
neutron number62
relative atomic mass
109.90300747 ± 0.000000407 Da
g-factor
0
natural abundance
12.47 ± 0.061
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dyddiad darganfod1925
parity+

111Cd

Rhif màs111
neutron number63
relative atomic mass
110.904183776 ± 0.000000383 Da
g-factor
-1.188 ± 0.0006
natural abundance
12.795 ± 0.012
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1925
parity+

112Cd

Rhif màs112
neutron number64
relative atomic mass
111.902763896 ± 0.000000268 Da
g-factor
0
natural abundance
24.109 ± 0.007
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dyddiad darganfod1925
parity+

113Cd

Rhif màs113
neutron number65
relative atomic mass
112.904408105 ± 0.000000262 Da
g-factor
-1.2426 ± 0.0006
natural abundance
12.227 ± 0.007
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
8.04 ± 0.05 Py
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1925
parity+

decay modeintensity
β (β decay)100%

114Cd

Rhif màs114
neutron number66
relative atomic mass
113.903364998 ± 0.000000296 Da
g-factor
0
natural abundance
28.754 ± 0.081
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod1925
parity+

decay modeintensity
(double β decay)

115Cd

Rhif màs115
neutron number67
relative atomic mass
114.905437426 ± 0.000000699 Da
g-factor
-1.2966 ± 0.0004
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
53.46 ± 0.05 h
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1939
parity+

decay modeintensity
β (β decay)100%

116Cd

Rhif màs116
neutron number68
relative atomic mass
115.90476323 ± 0.000000172 Da
g-factor
0
natural abundance
7.512 ± 0.054
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
26.9 ± 0.9 Ey
spin0
nuclear quadrupole moment
0
dyddiad darganfod1925
parity+

decay modeintensity
(double β decay)100%

117Cd

Rhif màs117
neutron number69
relative atomic mass
116.907226039 ± 0.000001087 Da
g-factor
-1.485 ± 0.0008
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.503 ± 0.005 h
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1939
parity+

decay modeintensity
β (β decay)100%

118Cd

Rhif màs118
neutron number70
relative atomic mass
117.906921956 ± 0.000021471 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
50.3 ± 0.2 m
spin0
nuclear quadrupole moment
0
dyddiad darganfod1961
parity+

decay modeintensity
β (β decay)100%

119Cd

Rhif màs119
neutron number71
relative atomic mass
118.909847052 ± 0.000040467 Da
g-factor
-1.8376 ± 0.0008
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.69 ± 0.02 m
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1961
parity+

decay modeintensity
β (β decay)100%

120Cd

Rhif màs120
neutron number72
relative atomic mass
119.909868065 ± 0.000004 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
50.8 ± 0.21 s
spin0
nuclear quadrupole moment
0
dyddiad darganfod1973
parity+

decay modeintensity
β (β decay)100%

121Cd

Rhif màs121
neutron number73
relative atomic mass
120.91296366 ± 0.000002085 Da
g-factor
0.41733333333333 ± 0.00046666666666667
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
13.5 ± 0.3 s
spin3/2
nuclear quadrupole moment
dyddiad darganfod1965
parity+

decay modeintensity
β (β decay)100%

122Cd

Rhif màs122
neutron number74
relative atomic mass
121.91345905 ± 0.000002468 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
5.24 ± 0.03 s
spin0
nuclear quadrupole moment
0
dyddiad darganfod1973
parity+

decay modeintensity
β (β decay)100%

123Cd

Rhif màs123
neutron number75
relative atomic mass
122.91689246 ± 0.000002894 Da
g-factor
0.52566666666667 ± 0.00046666666666667
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.1 ± 0.02 s
spin3/2
nuclear quadrupole moment
dyddiad darganfod1983
parity+

decay modeintensity
β (β decay)100%

124Cd

Rhif màs124
neutron number76
relative atomic mass
123.917659772 ± 0.0000028 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.25 ± 0.02 s
spin0
nuclear quadrupole moment
0
dyddiad darganfod1974
parity+

decay modeintensity
β (β decay)100%

125Cd

Rhif màs125
neutron number77
relative atomic mass
124.92125759 ± 0.0000031 Da
g-factor
0.57273333333333 ± 0.00046666666666667
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
680 ± 40 ms
spin3/2
nuclear quadrupole moment
0.209 ± 0.01
dyddiad darganfod1986
parity+

decay modeintensity
β (β decay)100%

126Cd

Rhif màs126
neutron number78
relative atomic mass
125.92243029 ± 0.000002473 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
512 ± 5 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1978
parity+

decay modeintensity
β (β decay)100%

127Cd

Rhif màs127
neutron number79
relative atomic mass
126.926203291 ± 0.000006656 Da
g-factor
0.58473333333333 ± 0.00053333333333333
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
480 ± 100 ms
spin3/2
nuclear quadrupole moment
0.239 ± 0.011
dyddiad darganfod1986
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)

128Cd

Rhif màs128
neutron number80
relative atomic mass
127.927816778 ± 0.000006905 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
246 ± 2 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1986
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)

129Cd

Rhif màs129
neutron number81
relative atomic mass
128.932235597 ± 0.0000057 Da
g-factor
-0.12821818181818 ± 0.00010909090909091
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
147 ± 3 ms
spin11/2
nuclear quadrupole moment
0.132 ± 0.009
dyddiad darganfod2003
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)

130Cd

Rhif màs130
neutron number82
relative atomic mass
129.934387563 ± 0.000024 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
126.8 ± 1.8 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1986
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)3.5%

131Cd

Rhif màs131
neutron number83
relative atomic mass
130.94072774 ± 0.000020653 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
98 ± 2 ms
spin7/2
nuclear quadrupole moment
dyddiad darganfod2000
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)3.5%
2n (2-neutron emission)

132Cd

Rhif màs132
neutron number84
relative atomic mass
131.945823136 ± 0.000064485 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
84 ± 5 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod2000
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)60%
2n (2-neutron emission)

133Cd

Rhif màs133
neutron number85
relative atomic mass
132.952614 ± 0.000215 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
61 ± 6 ms
spin7/2
nuclear quadrupole moment
dyddiad darganfod2010
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

134Cd

Rhif màs134
neutron number86
relative atomic mass
133.957638 ± 0.000322 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
65 ± 15 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod2015
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

135Cd

Rhif màs135
neutron number87
relative atomic mass
134.964766 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin5/2
nuclear quadrupole moment
dyddiad darganfod
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Cadmium-crystal bar

hanes

darganfyddwr neu ddyfeisiwrFredrich Stromeyer
man darganfodGermany
dyddiad darganfod1817
geirdarddiadGreek: kadmeia (ancient name for calamine (zinc oxide)).
ynganiadKAD-me-em (Saesneg)

source

Abundance
Abundance in Earth's crust
0.15 mg/kg
natural abundance (cefnfor)
0.00011 mg/L
natural abundance (corff dynol)
0.00007 %
natural abundance (Awyrfaen)
0.000044 %
natural abundance (Haul)
0.0000006 %
Abundance in Universe
0.0000002 %

Nuclear Screening Constants

1s0.9744
2p4.091
2s12.6142
3d14.3931
3p17.3085
3s17.1588
4d32.1232
4p28.5888
4s27.1308
5s39.808