Kadmij[um]

Kadmij[um] (Cd)

hemijski element sa simbolom Cd i atomskim brojem 48
Atomic Number48
Atomic Weight112.414
Maseni broj114
Group12
Period5
Blockd
Proton48 p+
Neutron66 n0
Elektron48 e-
Animated Bohrov model atoma of Cd (Kadmij[um])

Physical Property

Atomski Radijus
155 pm
Molarni volumen
covalent radius
136 pm
Metallic Radius
138 pm
Ionski radijus
78 pm
Crystal Radius
92 pm
Van der Waalsov radijus
218 pm
gustoća
8,69 g/cm³
Atomic Radii Of The Elements: Kadmij[um]0102030405060708090100110120130140150160170180190200210220pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
electron affinity
ionization energy
8,993822 eV/particle
ionization energy of Cd (Kadmij[um])
Toplota isparavanja
59,1 kJ/mol
toplota topljenja
6,11 kJ/mol
standard enthalpy of formation
111,8 kJ/mol
Elektron
electron shell2, 8, 18, 18, 2
Bohrov model atoma: Cd (Kadmij[um])
Valentni elektron2
Lewis structure: Cd (Kadmij[um])
electron configuration[Kr] 4d10 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 5s2
Enhanced Bohrov model atoma of Cd (Kadmij[um])
Orbital Diagram of Cd (Kadmij[um])
oksidacijsko stanje-2, 1, 2
Elektronegativnost
1.69
Electrophilicity Index
fundamental state of matter
agregatno stanjeSolid
gaseous state of matter
Boiling Point
1.040,15 K
Melting Point
594,219 K
critical pressure
Kritična temperatura
Trojna tačka
appearance
boja
Silver
appearancesilvery bluish-gray metallic
Indeks prelamanja
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
Specifična električna provodljivost
14 MS/m
electrical resistivity
0,00000007000000000002 m Ω
Superprovodljivost
0,517 K
Magnetizam
typediamagnetic
magnetic susceptibility (Mass)
-0,0000000023 m³/Kg
magnetic susceptibility (Molar)
-0,000000000259 m³/mol
magnetic susceptibility (Volume)
-0,0000199
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal StructureSimple Hexagonal (HEX)
lattice constant
2,98 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Tvrdoća
2 MPa
bulk modulus
42 GPa
shear modulus
19 GPa
Young's modulus
50 GPa
Poisson's ratio
0,3
Brzina zvuka
2.310 m/s
klasifikacija
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
Kvantni brojevi1S0
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

Maseni broj94
broj neutrona46
relative atomic mass
93,956586 ± 0,000537 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića2016
parity+

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

95Cd

Maseni broj95
broj neutrona47
relative atomic mass
94,949483 ± 0,000607 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
32 ± 3 ms
spin9/2
nuclear quadrupole moment
datum otkrića2011
parity+

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

96Cd

Maseni broj96
broj neutrona48
relative atomic mass
95,940341 ± 0,00044 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1.003 ± 47 ms
spin0
nuclear quadrupole moment
0
datum otkrića2008
parity+

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

97Cd

Maseni broj97
broj neutrona49
relative atomic mass
96,934799343 ± 0,000451073 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,16 ± 0,05 s
spin9/2
nuclear quadrupole moment
datum otkrića1978
parity+

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

98Cd

Maseni broj98
broj neutrona50
relative atomic mass
97,927389315 ± 0,000055605 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,29 ± 0,1 s
spin0
nuclear quadrupole moment
0
datum otkrića1978
parity+

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

99Cd

Maseni broj99
broj neutrona51
relative atomic mass
98,924925845 ± 0,0000017 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
17 ± 1 s
spin5/2
nuclear quadrupole moment
datum otkrića1978
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

Maseni broj100
broj neutrona52
relative atomic mass
99,920348829 ± 0,0000018 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
49,1 ± 0,5 s
spin0
nuclear quadrupole moment
0
datum otkrića1970
parity+

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

101Cd

Maseni broj101
broj neutrona53
relative atomic mass
100,918586209 ± 0,0000016 Da
g-factor
-0,3588 ± 0,00016
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,36 ± 0,05 m
spin5/2
nuclear quadrupole moment
-0,177 ± 0,007
datum otkrića1969
parity+

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

102Cd

Maseni broj102
broj neutrona54
relative atomic mass
101,914481797 ± 0,000001784 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,5 ± 0,5 m
spin0
nuclear quadrupole moment
0
datum otkrića1969
parity+

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

103Cd

Maseni broj103
broj neutrona55
relative atomic mass
102,913416922 ± 0,000001943 Da
g-factor
-0,33944 ± 0,00016
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
7,3 ± 0,1 m
spin5/2
nuclear quadrupole moment
-0,007 ± 0,003
datum otkrića1960
parity+

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

104Cd

Maseni broj104
broj neutrona56
relative atomic mass
103,909856228 ± 0,000001795 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
57,7 ± 1 m
spin0
nuclear quadrupole moment
0
datum otkrića1955
parity+

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

105Cd

Maseni broj105
broj neutrona57
relative atomic mass
104,909463893 ± 0,000001494 Da
g-factor
-0,29528 ± 0,00016
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
55,5 ± 0,4 m
spin5/2
nuclear quadrupole moment
0,377 ± 0,015
datum otkrića1950
parity+

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

106Cd

Maseni broj106
broj neutrona58
relative atomic mass
105,906459791 ± 0,000001184 Da
g-factor
0
natural abundance
1,245 ± 0,022
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1935
parity+

decay modeintensity
+ (double β+ decay)

107Cd

Maseni broj107
broj neutrona59
relative atomic mass
106,906612049 ± 0,000001782 Da
g-factor
-0,24564 ± 0,00012
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,5 ± 0,02 h
spin5/2
nuclear quadrupole moment
0,6 ± 0,02
datum otkrića1946
parity+

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

108Cd

Maseni broj108
broj neutrona60
relative atomic mass
107,904183588 ± 0,000001205 Da
g-factor
0
natural abundance
0,888 ± 0,011
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1935
parity+

decay modeintensity
+ (double β+ decay)

109Cd

Maseni broj109
broj neutrona61
relative atomic mass
108,904986697 ± 0,000001649 Da
g-factor
-0,33064 ± 0,00016
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
461,3 ± 0,5 d
spin5/2
nuclear quadrupole moment
0,6 ± 0,03
datum otkrića1950
parity+

decay modeintensity
ϵ (electron capture)100%

110Cd

Maseni broj110
broj neutrona62
relative atomic mass
109,90300747 ± 0,000000407 Da
g-factor
0
natural abundance
12,47 ± 0,061
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
datum otkrića1925
parity+

111Cd

Maseni broj111
broj neutrona63
relative atomic mass
110,904183776 ± 0,000000383 Da
g-factor
-1,188 ± 0,0006
natural abundance
12,795 ± 0,012
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
datum otkrića1925
parity+

112Cd

Maseni broj112
broj neutrona64
relative atomic mass
111,902763896 ± 0,000000268 Da
g-factor
0
natural abundance
24,109 ± 0,007
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
datum otkrića1925
parity+

113Cd

Maseni broj113
broj neutrona65
relative atomic mass
112,904408105 ± 0,000000262 Da
g-factor
-1,2426 ± 0,0006
natural abundance
12,227 ± 0,007
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,04 ± 0,05 Py
spin1/2
nuclear quadrupole moment
0
datum otkrića1925
parity+

decay modeintensity
β (β decay)100%

114Cd

Maseni broj114
broj neutrona66
relative atomic mass
113,903364998 ± 0,000000296 Da
g-factor
0
natural abundance
28,754 ± 0,081
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1925
parity+

decay modeintensity
(double β decay)

115Cd

Maseni broj115
broj neutrona67
relative atomic mass
114,905437426 ± 0,000000699 Da
g-factor
-1,2966 ± 0,0004
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
53,46 ± 0,05 h
spin1/2
nuclear quadrupole moment
0
datum otkrića1939
parity+

decay modeintensity
β (β decay)100%

116Cd

Maseni broj116
broj neutrona68
relative atomic mass
115,90476323 ± 0,000000172 Da
g-factor
0
natural abundance
7,512 ± 0,054
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
26,9 ± 0,9 Ey
spin0
nuclear quadrupole moment
0
datum otkrića1925
parity+

decay modeintensity
(double β decay)100%

117Cd

Maseni broj117
broj neutrona69
relative atomic mass
116,907226039 ± 0,000001087 Da
g-factor
-1,485 ± 0,0008
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,503 ± 0,005 h
spin1/2
nuclear quadrupole moment
0
datum otkrića1939
parity+

decay modeintensity
β (β decay)100%

118Cd

Maseni broj118
broj neutrona70
relative atomic mass
117,906921956 ± 0,000021471 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
50,3 ± 0,2 m
spin0
nuclear quadrupole moment
0
datum otkrića1961
parity+

decay modeintensity
β (β decay)100%

119Cd

Maseni broj119
broj neutrona71
relative atomic mass
118,909847052 ± 0,000040467 Da
g-factor
-1,8376 ± 0,0008
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,69 ± 0,02 m
spin1/2
nuclear quadrupole moment
0
datum otkrića1961
parity+

decay modeintensity
β (β decay)100%

120Cd

Maseni broj120
broj neutrona72
relative atomic mass
119,909868065 ± 0,000004 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
50,8 ± 0,21 s
spin0
nuclear quadrupole moment
0
datum otkrića1973
parity+

decay modeintensity
β (β decay)100%

121Cd

Maseni broj121
broj neutrona73
relative atomic mass
120,91296366 ± 0,000002085 Da
g-factor
0,41733333333333 ± 0,00046666666666667
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
13,5 ± 0,3 s
spin3/2
nuclear quadrupole moment
datum otkrića1965
parity+

decay modeintensity
β (β decay)100%

122Cd

Maseni broj122
broj neutrona74
relative atomic mass
121,91345905 ± 0,000002468 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,24 ± 0,03 s
spin0
nuclear quadrupole moment
0
datum otkrića1973
parity+

decay modeintensity
β (β decay)100%

123Cd

Maseni broj123
broj neutrona75
relative atomic mass
122,91689246 ± 0,000002894 Da
g-factor
0,52566666666667 ± 0,00046666666666667
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,1 ± 0,02 s
spin3/2
nuclear quadrupole moment
datum otkrića1983
parity+

decay modeintensity
β (β decay)100%

124Cd

Maseni broj124
broj neutrona76
relative atomic mass
123,917659772 ± 0,0000028 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,25 ± 0,02 s
spin0
nuclear quadrupole moment
0
datum otkrića1974
parity+

decay modeintensity
β (β decay)100%

125Cd

Maseni broj125
broj neutrona77
relative atomic mass
124,92125759 ± 0,0000031 Da
g-factor
0,57273333333333 ± 0,00046666666666667
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
680 ± 40 ms
spin3/2
nuclear quadrupole moment
0,209 ± 0,01
datum otkrića1986
parity+

decay modeintensity
β (β decay)100%

126Cd

Maseni broj126
broj neutrona78
relative atomic mass
125,92243029 ± 0,000002473 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
512 ± 5 ms
spin0
nuclear quadrupole moment
0
datum otkrića1978
parity+

decay modeintensity
β (β decay)100%

127Cd

Maseni broj127
broj neutrona79
relative atomic mass
126,926203291 ± 0,000006656 Da
g-factor
0,58473333333333 ± 0,00053333333333333
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
480 ± 100 ms
spin3/2
nuclear quadrupole moment
0,239 ± 0,011
datum otkrića1986
parity+

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

128Cd

Maseni broj128
broj neutrona80
relative atomic mass
127,927816778 ± 0,000006905 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
246 ± 2 ms
spin0
nuclear quadrupole moment
0
datum otkrića1986
parity+

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

129Cd

Maseni broj129
broj neutrona81
relative atomic mass
128,932235597 ± 0,0000057 Da
g-factor
-0,12821818181818 ± 0,00010909090909091
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
147 ± 3 ms
spin11/2
nuclear quadrupole moment
0,132 ± 0,009
datum otkrića2003
parity-

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

130Cd

Maseni broj130
broj neutrona82
relative atomic mass
129,934387563 ± 0,000024 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
126,8 ± 1,8 ms
spin0
nuclear quadrupole moment
0
datum otkrića1986
parity+

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

131Cd

Maseni broj131
broj neutrona83
relative atomic mass
130,94072774 ± 0,000020653 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
98 ± 2 ms
spin7/2
nuclear quadrupole moment
datum otkrića2000
parity-

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

132Cd

Maseni broj132
broj neutrona84
relative atomic mass
131,945823136 ± 0,000064485 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
84 ± 5 ms
spin0
nuclear quadrupole moment
0
datum otkrića2000
parity+

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

133Cd

Maseni broj133
broj neutrona85
relative atomic mass
132,952614 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
61 ± 6 ms
spin7/2
nuclear quadrupole moment
datum otkrića2010
parity-

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

134Cd

Maseni broj134
broj neutrona86
relative atomic mass
133,957638 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
65 ± 15 ms
spin0
nuclear quadrupole moment
0
datum otkrića2015
parity+

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

135Cd

Maseni broj135
broj neutrona87
relative atomic mass
134,964766 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
datum otkrića
parity-

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

historija

otkrivač ili izumiteljFredrich Stromeyer
mjesto otkrićaGermany
datum otkrića1817
EtimologijaGreek: kadmeia (ancient name for calamine (zinc oxide)).
pronunciationKAD-me-em (engleski)

izvor

Abundance
Abundance in Earth's crust
0,15 mg/kg
natural abundance (okean)
0,00011 mg/L
natural abundance (ljudsko tijelo)
0,00007 %
natural abundance (Meteoroidi)
0,000044 %
natural abundance (Sunce)
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