Cadmium, Kadmium

Cadmium, Kadmium (Cd)

grundstof med atomnummer 48
Atomnummer48
Atommasse112.414
mass number114
Gruppe12
Periode5
Blokd
proton48 p+
neutron66 n0
elektron48 e-
Animated Bohrs atommodel of Cd (Cadmium, Kadmium)

Fysisk Egenskab

Atomradius
molar volume
Kovalent Radius
Metallic Radius
Ionisk radius
Crystal Radius
Van der Waals-radius
massefylde
Atomic Radii Of The Elements: Cadmium, Kadmium0102030405060708090100110120130140150160170180190200210220pmAtomradiusKovalent RadiusMetallic RadiusVan der Waals-radius

Kemisk Egenskab

energi
proton affinity
electron affinity
ioniseringsenergi
ioniseringsenergi of Cd (Cadmium, Kadmium)
Fordampningsvarme
smeltevarme
standard enthalpy of formation
elektron
Elektronskal2, 8, 18, 18, 2
Bohrs atommodel: Cd (Cadmium, Kadmium)
Valenselektron2
Elektronprikmodellen: Cd (Cadmium, Kadmium)
electron configuration[Kr] 4d10 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 5s2
Enhanced Bohrs atommodel of Cd (Cadmium, Kadmium)
Orbital Diagram of Cd (Cadmium, Kadmium)
Oxidationstrin-2, 1, 2
Elektronegativitet
1.69
Electrophilicity Index
fundamental state of matter
stoffaseFast stof
gaseous state of matter
Kogepunkt
Smeltepunkt
critical pressure
critical temperature
trippelpunkt
appearance
farve
Silver
appearancesilvery bluish-gray metallic
Brydningsindeks
materialeegenskab
Varmeledningsevne
Termisk ekspansion
molar heat capacity
Varmefylde
Adiabateksponenten
electrical properties
typeConductor
specifik ledningsevne
Elektrisk resistivitet
superledning
Magnetisme
typediamagnetic
magnetic susceptibility (Mass)
-0,0000000023 m³/Kg
magnetic susceptibility (Molar)
-0,000000000259 m³/mol
magnetic susceptibility (Volume)
-0,0000199
magnetic ordering
Curietemperaturen
Néel temperature
struktur
KrystalstrukturSimpel Hexagonal (HEX)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hårdhed
Kompressibilitetsmodul
Forskydningsmodul
E-modul
Poissons forhold
0,3
speed of sound
klassificering
KategoriOvergangsmetaller, Transition metals
CAS GroupIIB
IUPAC GroupIIB
Glawe Number75
Mendeleev Number78
Pettifor Number75
Geochemical Class
Goldschmidt classificationchalcophile

øvrige

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
2.450
Neutron Mass Absorption
1,4
quantum number1S0
rumgruppe194 (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

mass number94
neutron number46
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato2016
Paritet+

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

95Cd

mass number95
neutron number47
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
32 ± 3 ms
spin9/2
nuclear quadrupole moment
opdagelsesdato2011
Paritet+

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

96Cd

mass number96
neutron number48
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
1.003 ± 47 ms
spin0
nuclear quadrupole moment
0
opdagelsesdato2008
Paritet+

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

97Cd

mass number97
neutron number49
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
1,16 ± 0,05 s
spin9/2
nuclear quadrupole moment
opdagelsesdato1978
Paritet+

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

98Cd

mass number98
neutron number50
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
9,29 ± 0,1 s
spin0
nuclear quadrupole moment
0
opdagelsesdato1978
Paritet+

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

99Cd

mass number99
neutron number51
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
17 ± 1 s
spin5/2
nuclear quadrupole moment
opdagelsesdato1978
Paritet+

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

100Cd

mass number100
neutron number52
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
49,1 ± 0,5 s
spin0
nuclear quadrupole moment
0
opdagelsesdato1970
Paritet+

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

101Cd

mass number101
neutron number53
Relative Atomic Mass
g-factor
-0,3588 ± 0,00016
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
1,36 ± 0,05 m
spin5/2
nuclear quadrupole moment
-0,177 ± 0,007
opdagelsesdato1969
Paritet+

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

102Cd

mass number102
neutron number54
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
5,5 ± 0,5 m
spin0
nuclear quadrupole moment
0
opdagelsesdato1969
Paritet+

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

103Cd

mass number103
neutron number55
Relative Atomic Mass
g-factor
-0,33944 ± 0,00016
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
7,3 ± 0,1 m
spin5/2
nuclear quadrupole moment
-0,007 ± 0,003
opdagelsesdato1960
Paritet+

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

104Cd

mass number104
neutron number56
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
57,7 ± 1 m
spin0
nuclear quadrupole moment
0
opdagelsesdato1955
Paritet+

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

105Cd

mass number105
neutron number57
Relative Atomic Mass
g-factor
-0,29528 ± 0,00016
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
55,5 ± 0,4 m
spin5/2
nuclear quadrupole moment
0,377 ± 0,015
opdagelsesdato1950
Paritet+

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

106Cd

mass number106
neutron number58
Relative Atomic Mass
g-factor
0
natural abundance
1,245 ± 0,022
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato1935
Paritet+

decay modeIntensitet
+ (double β+ decay)

107Cd

mass number107
neutron number59
Relative Atomic Mass
g-factor
-0,24564 ± 0,00012
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
6,5 ± 0,02 h
spin5/2
nuclear quadrupole moment
0,6 ± 0,02
opdagelsesdato1946
Paritet+

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

108Cd

mass number108
neutron number60
Relative Atomic Mass
g-factor
0
natural abundance
0,888 ± 0,011
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato1935
Paritet+

decay modeIntensitet
+ (double β+ decay)

109Cd

mass number109
neutron number61
Relative Atomic Mass
g-factor
-0,33064 ± 0,00016
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
461,3 ± 0,5 d
spin5/2
nuclear quadrupole moment
0,6 ± 0,03
opdagelsesdato1950
Paritet+

decay modeIntensitet
ϵ (electron capture)100%

110Cd

mass number110
neutron number62
Relative Atomic Mass
g-factor
0
natural abundance
12,47 ± 0,061
radioaktivitetstable isotope
halveringstidNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
opdagelsesdato1925
Paritet+

111Cd

mass number111
neutron number63
Relative Atomic Mass
g-factor
-1,188 ± 0,0006
natural abundance
12,795 ± 0,012
radioaktivitetstable isotope
halveringstidNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
opdagelsesdato1925
Paritet+

112Cd

mass number112
neutron number64
Relative Atomic Mass
g-factor
0
natural abundance
24,109 ± 0,007
radioaktivitetstable isotope
halveringstidNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
opdagelsesdato1925
Paritet+

113Cd

mass number113
neutron number65
Relative Atomic Mass
g-factor
-1,2426 ± 0,0006
natural abundance
12,227 ± 0,007
radioaktivitet☢️ radioactive element
halveringstid
8,04 ± 0,05 Py
spin1/2
nuclear quadrupole moment
0
opdagelsesdato1925
Paritet+

decay modeIntensitet
β (β decay)100%

114Cd

mass number114
neutron number66
Relative Atomic Mass
g-factor
0
natural abundance
28,754 ± 0,081
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato1925
Paritet+

decay modeIntensitet
(double β decay)

115Cd

mass number115
neutron number67
Relative Atomic Mass
g-factor
-1,2966 ± 0,0004
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
53,46 ± 0,05 h
spin1/2
nuclear quadrupole moment
0
opdagelsesdato1939
Paritet+

decay modeIntensitet
β (β decay)100%

116Cd

mass number116
neutron number68
Relative Atomic Mass
g-factor
0
natural abundance
7,512 ± 0,054
radioaktivitet☢️ radioactive element
halveringstid
26,9 ± 0,9 Ey
spin0
nuclear quadrupole moment
0
opdagelsesdato1925
Paritet+

decay modeIntensitet
(double β decay)100%

117Cd

mass number117
neutron number69
Relative Atomic Mass
g-factor
-1,485 ± 0,0008
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
2,503 ± 0,005 h
spin1/2
nuclear quadrupole moment
0
opdagelsesdato1939
Paritet+

decay modeIntensitet
β (β decay)100%

118Cd

mass number118
neutron number70
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
50,3 ± 0,2 m
spin0
nuclear quadrupole moment
0
opdagelsesdato1961
Paritet+

decay modeIntensitet
β (β decay)100%

119Cd

mass number119
neutron number71
Relative Atomic Mass
g-factor
-1,8376 ± 0,0008
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
2,69 ± 0,02 m
spin1/2
nuclear quadrupole moment
0
opdagelsesdato1961
Paritet+

decay modeIntensitet
β (β decay)100%

120Cd

mass number120
neutron number72
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
50,8 ± 0,21 s
spin0
nuclear quadrupole moment
0
opdagelsesdato1973
Paritet+

decay modeIntensitet
β (β decay)100%

121Cd

mass number121
neutron number73
Relative Atomic Mass
g-factor
0,41733333333333 ± 0,00046666666666667
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
13,5 ± 0,3 s
spin3/2
nuclear quadrupole moment
opdagelsesdato1965
Paritet+

decay modeIntensitet
β (β decay)100%

122Cd

mass number122
neutron number74
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
5,24 ± 0,03 s
spin0
nuclear quadrupole moment
0
opdagelsesdato1973
Paritet+

decay modeIntensitet
β (β decay)100%

123Cd

mass number123
neutron number75
Relative Atomic Mass
g-factor
0,52566666666667 ± 0,00046666666666667
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
2,1 ± 0,02 s
spin3/2
nuclear quadrupole moment
opdagelsesdato1983
Paritet+

decay modeIntensitet
β (β decay)100%

124Cd

mass number124
neutron number76
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
1,25 ± 0,02 s
spin0
nuclear quadrupole moment
0
opdagelsesdato1974
Paritet+

decay modeIntensitet
β (β decay)100%

125Cd

mass number125
neutron number77
Relative Atomic Mass
g-factor
0,57273333333333 ± 0,00046666666666667
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
680 ± 40 ms
spin3/2
nuclear quadrupole moment
0,209 ± 0,01
opdagelsesdato1986
Paritet+

decay modeIntensitet
β (β decay)100%

126Cd

mass number126
neutron number78
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
512 ± 5 ms
spin0
nuclear quadrupole moment
0
opdagelsesdato1978
Paritet+

decay modeIntensitet
β (β decay)100%

127Cd

mass number127
neutron number79
Relative Atomic Mass
g-factor
0,58473333333333 ± 0,00053333333333333
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
480 ± 100 ms
spin3/2
nuclear quadrupole moment
0,239 ± 0,011
opdagelsesdato1986
Paritet+

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

128Cd

mass number128
neutron number80
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
246 ± 2 ms
spin0
nuclear quadrupole moment
0
opdagelsesdato1986
Paritet+

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

129Cd

mass number129
neutron number81
Relative Atomic Mass
g-factor
-0,12821818181818 ± 0,00010909090909091
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
147 ± 3 ms
spin11/2
nuclear quadrupole moment
0,132 ± 0,009
opdagelsesdato2003
Paritet-

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

130Cd

mass number130
neutron number82
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
126,8 ± 1,8 ms
spin0
nuclear quadrupole moment
0
opdagelsesdato1986
Paritet+

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

131Cd

mass number131
neutron number83
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
98 ± 2 ms
spin7/2
nuclear quadrupole moment
opdagelsesdato2000
Paritet-

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

132Cd

mass number132
neutron number84
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
84 ± 5 ms
spin0
nuclear quadrupole moment
0
opdagelsesdato2000
Paritet+

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

133Cd

mass number133
neutron number85
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
61 ± 6 ms
spin7/2
nuclear quadrupole moment
opdagelsesdato2010
Paritet-

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

134Cd

mass number134
neutron number86
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
65 ± 15 ms
spin0
nuclear quadrupole moment
0
opdagelsesdato2015
Paritet+

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

135Cd

mass number135
neutron number87
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin5/2
nuclear quadrupole moment
opdagelsesdato
Paritet-

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

historie

opdager eller opfinderFredrich Stromeyer
fundstedGermany
opdagelsesdato1817
etymologiGreek: kadmeia (ancient name for calamine (zinc oxide)).
udtaleKAD-me-em (engelsk)

source

Forekomst
Abundance in Earth's crust
natural abundance (verdenshave)
natural abundance (menneskelige krop)
0,00007 %
natural abundance (Meteoroid)
0,000044 %
natural abundance (Solen)
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