Kadmium

Kadmium (Cd)

chemical element with symbol Cd and atomic number of 48
Atomic Number48
Atomic Weight112.414
Massagetal114
Group12
Period5
Blockd
proton48 p+
neutron66 n0
elektron48 e-
Animated Bohr model of Cd (Kadmium)

Physical Property

Atoomradius
155 pm
molar volume
Covalent Radius
136 pm
Metallic Radius
138 pm
Ioonradius
78 pm
Crystal Radius
92 pm
Van der Waals radius
218 pm
density
8,69 g/cm³
Atomic Radii Of The Elements: Kadmium020406080100120140160180200220pmAtoomradiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energie
proton affinity
electron affinity
ionization energy
8,993822 eV/particle
ionization energy of Cd (Kadmium)
Verdampingswarmte
59,1 kJ/mol
smeltingswarmte
6,11 kJ/mol
Vormingsentalpie
111,8 kJ/mol
elektron
Elektronskil2, 8, 18, 18, 2
Bohr model: Cd (Kadmium)
Valenselektrone2
Lewisteorie: Cd (Kadmium)
elektronkonfigurasie[Kr] 4d10 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 5s2
Enhanced Bohr model of Cd (Kadmium)
Orbital Diagram of Cd (Kadmium)
Oksidasietoestand-2, 1, 2
Elektronegatiwiteit
1.69
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
1 040,15 K
Melting Point
594,219 K
critical pressure
critical temperature
triple point
appearance
kleur
Silver
appearancesilvery bluish-gray metallic
Brekingsindeks
thermodynamic material property
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
Geleidingsvermoë
14 MS/m
Elektriese resistiwiteit
0,00000007000000000002 m Ω
superconductivity
0,517 K
Magnetisme
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
structure
Crystal StructureSimple Hexagonal (HEX)
lattice constant
2,98 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
2 MPa
Massamodulus
42 GPa
Skuifmodulus
19 GPa
Young se modulus
50 GPa
Poisson se verhouding
0,3
Spoed van klank
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
Ruimtegroep194 (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

Massagetal94
neutron number46
relative atomic mass
93,956586 ± 0,000537 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2016
parity+

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

95Cd

Massagetal95
neutron number47
relative atomic mass
94,949483 ± 0,000607 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
32 ± 3 ms
spin9/2
nuclear quadrupole moment
ontdekkingsdatum2011
parity+

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

96Cd

Massagetal96
neutron number48
relative atomic mass
95,940341 ± 0,00044 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1 003 ± 47 ms
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2008
parity+

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

97Cd

Massagetal97
neutron number49
relative atomic mass
96,934799343 ± 0,000451073 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,16 ± 0,05 s
spin9/2
nuclear quadrupole moment
ontdekkingsdatum1978
parity+

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

98Cd

Massagetal98
neutron number50
relative atomic mass
97,927389315 ± 0,000055605 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
9,29 ± 0,1 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1978
parity+

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

99Cd

Massagetal99
neutron number51
relative atomic mass
98,924925845 ± 0,0000017 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
17 ± 1 s
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1978
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

Massagetal100
neutron number52
relative atomic mass
99,920348829 ± 0,0000018 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
49,1 ± 0,5 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1970
parity+

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

101Cd

Massagetal101
neutron number53
relative atomic mass
100,918586209 ± 0,0000016 Da
g-factor
-0,3588 ± 0,00016
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,36 ± 0,05 m
spin5/2
nuclear quadrupole moment
-0,177 ± 0,007
ontdekkingsdatum1969
parity+

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

102Cd

Massagetal102
neutron number54
relative atomic mass
101,914481797 ± 0,000001784 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
5,5 ± 0,5 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1969
parity+

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

103Cd

Massagetal103
neutron number55
relative atomic mass
102,913416922 ± 0,000001943 Da
g-factor
-0,33944 ± 0,00016
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
7,3 ± 0,1 m
spin5/2
nuclear quadrupole moment
-0,007 ± 0,003
ontdekkingsdatum1960
parity+

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

104Cd

Massagetal104
neutron number56
relative atomic mass
103,909856228 ± 0,000001795 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
57,7 ± 1 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1955
parity+

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

105Cd

Massagetal105
neutron number57
relative atomic mass
104,909463893 ± 0,000001494 Da
g-factor
-0,29528 ± 0,00016
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
55,5 ± 0,4 m
spin5/2
nuclear quadrupole moment
0,377 ± 0,015
ontdekkingsdatum1950
parity+

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

106Cd

Massagetal106
neutron number58
relative atomic mass
105,906459791 ± 0,000001184 Da
g-factor
0
natural abundance
1,245 ± 0,022
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1935
parity+

decay modeintensity
+ (double β+ decay)

107Cd

Massagetal107
neutron number59
relative atomic mass
106,906612049 ± 0,000001782 Da
g-factor
-0,24564 ± 0,00012
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6,5 ± 0,02 h
spin5/2
nuclear quadrupole moment
0,6 ± 0,02
ontdekkingsdatum1946
parity+

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

108Cd

Massagetal108
neutron number60
relative atomic mass
107,904183588 ± 0,000001205 Da
g-factor
0
natural abundance
0,888 ± 0,011
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1935
parity+

decay modeintensity
+ (double β+ decay)

109Cd

Massagetal109
neutron number61
relative atomic mass
108,904986697 ± 0,000001649 Da
g-factor
-0,33064 ± 0,00016
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
461,3 ± 0,5 d
spin5/2
nuclear quadrupole moment
0,6 ± 0,03
ontdekkingsdatum1950
parity+

decay modeintensity
ϵ (electron capture)100%

110Cd

Massagetal110
neutron number62
relative atomic mass
109,90300747 ± 0,000000407 Da
g-factor
0
natural abundance
12,47 ± 0,061
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1925
parity+

111Cd

Massagetal111
neutron number63
relative atomic mass
110,904183776 ± 0,000000383 Da
g-factor
-1,188 ± 0,0006
natural abundance
12,795 ± 0,012
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1925
parity+

112Cd

Massagetal112
neutron number64
relative atomic mass
111,902763896 ± 0,000000268 Da
g-factor
0
natural abundance
24,109 ± 0,007
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1925
parity+

113Cd

Massagetal113
neutron number65
relative atomic mass
112,904408105 ± 0,000000262 Da
g-factor
-1,2426 ± 0,0006
natural abundance
12,227 ± 0,007
radioaktiwiteit☢️ radioactive element
Halfleeftyd
8,04 ± 0,05 Py
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1925
parity+

decay modeintensity
β (β decay)100%

114Cd

Massagetal114
neutron number66
relative atomic mass
113,903364998 ± 0,000000296 Da
g-factor
0
natural abundance
28,754 ± 0,081
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1925
parity+

decay modeintensity
(double β decay)

115Cd

Massagetal115
neutron number67
relative atomic mass
114,905437426 ± 0,000000699 Da
g-factor
-1,2966 ± 0,0004
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
53,46 ± 0,05 h
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1939
parity+

decay modeintensity
β (β decay)100%

116Cd

Massagetal116
neutron number68
relative atomic mass
115,90476323 ± 0,000000172 Da
g-factor
0
natural abundance
7,512 ± 0,054
radioaktiwiteit☢️ radioactive element
Halfleeftyd
26,9 ± 0,9 Ey
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1925
parity+

decay modeintensity
(double β decay)100%

117Cd

Massagetal117
neutron number69
relative atomic mass
116,907226039 ± 0,000001087 Da
g-factor
-1,485 ± 0,0008
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,503 ± 0,005 h
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1939
parity+

decay modeintensity
β (β decay)100%

118Cd

Massagetal118
neutron number70
relative atomic mass
117,906921956 ± 0,000021471 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
50,3 ± 0,2 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1961
parity+

decay modeintensity
β (β decay)100%

119Cd

Massagetal119
neutron number71
relative atomic mass
118,909847052 ± 0,000040467 Da
g-factor
-1,8376 ± 0,0008
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,69 ± 0,02 m
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1961
parity+

decay modeintensity
β (β decay)100%

120Cd

Massagetal120
neutron number72
relative atomic mass
119,909868065 ± 0,000004 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
50,8 ± 0,21 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1973
parity+

decay modeintensity
β (β decay)100%

121Cd

Massagetal121
neutron number73
relative atomic mass
120,91296366 ± 0,000002085 Da
g-factor
0,41733333333333 ± 0,00046666666666667
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
13,5 ± 0,3 s
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1965
parity+

decay modeintensity
β (β decay)100%

122Cd

Massagetal122
neutron number74
relative atomic mass
121,91345905 ± 0,000002468 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
5,24 ± 0,03 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1973
parity+

decay modeintensity
β (β decay)100%

123Cd

Massagetal123
neutron number75
relative atomic mass
122,91689246 ± 0,000002894 Da
g-factor
0,52566666666667 ± 0,00046666666666667
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,1 ± 0,02 s
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1983
parity+

decay modeintensity
β (β decay)100%

124Cd

Massagetal124
neutron number76
relative atomic mass
123,917659772 ± 0,0000028 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,25 ± 0,02 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1974
parity+

decay modeintensity
β (β decay)100%

125Cd

Massagetal125
neutron number77
relative atomic mass
124,92125759 ± 0,0000031 Da
g-factor
0,57273333333333 ± 0,00046666666666667
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
680 ± 40 ms
spin3/2
nuclear quadrupole moment
0,209 ± 0,01
ontdekkingsdatum1986
parity+

decay modeintensity
β (β decay)100%

126Cd

Massagetal126
neutron number78
relative atomic mass
125,92243029 ± 0,000002473 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
512 ± 5 ms
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1978
parity+

decay modeintensity
β (β decay)100%

127Cd

Massagetal127
neutron number79
relative atomic mass
126,926203291 ± 0,000006656 Da
g-factor
0,58473333333333 ± 0,00053333333333333
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
480 ± 100 ms
spin3/2
nuclear quadrupole moment
0,239 ± 0,011
ontdekkingsdatum1986
parity+

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

128Cd

Massagetal128
neutron number80
relative atomic mass
127,927816778 ± 0,000006905 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
246 ± 2 ms
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1986
parity+

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

129Cd

Massagetal129
neutron number81
relative atomic mass
128,932235597 ± 0,0000057 Da
g-factor
-0,12821818181818 ± 0,00010909090909091
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
147 ± 3 ms
spin11/2
nuclear quadrupole moment
0,132 ± 0,009
ontdekkingsdatum2003
parity-

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

130Cd

Massagetal130
neutron number82
relative atomic mass
129,934387563 ± 0,000024 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
126,8 ± 1,8 ms
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1986
parity+

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

131Cd

Massagetal131
neutron number83
relative atomic mass
130,94072774 ± 0,000020653 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
98 ± 2 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum2000
parity-

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

132Cd

Massagetal132
neutron number84
relative atomic mass
131,945823136 ± 0,000064485 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
84 ± 5 ms
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2000
parity+

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

133Cd

Massagetal133
neutron number85
relative atomic mass
132,952614 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
61 ± 6 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum2010
parity-

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

134Cd

Massagetal134
neutron number86
relative atomic mass
133,957638 ± 0,000322 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
65 ± 15 ms
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2015
parity+

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

135Cd

Massagetal135
neutron number87
relative atomic mass
134,964766 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin5/2
nuclear quadrupole moment
ontdekkingsdatum
parity-

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

geskiedenis

Ontdek deurFredrich Stromeyer
ligging van ontdekkingGermany
ontdekkingsdatum1817
etimologieGreek: kadmeia (ancient name for calamine (zinc oxide)).
uitspraakKAD-me-em (Engels)

source

Abundance
Abundance in Earth's crust
0,15 mg/kg
natural abundance (oseaan)
0,00011 mg/L
natural abundance (human body)
0,00007 %
natural abundance (Meteoroïde)
0,000044 %
natural abundance (Son)
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