Tecneci

Tecneci (Tc)

chemical element with symbol Tc and atomic number 43
Atomic Number43
Atomic Weight97.90721
Rhif màs83
Group7
Period5
Blockd
Proton43 p+
Niwtron40 n0
Electron43 e-
Animated Bohr model of Tc (Tecneci)

Nodwedd Ffisegol

Atomic Radius
135 pm
molar volume
covalent radius
128 pm
Metallic Radius
127 pm
ionic radius
64.5 pm
Crystal Radius
78.5 pm
Van der Waals radius
216 pm
density
Atomic Radii Of The Elements: Tecneci0102030405060708090100110120130140150160170180190200210220pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Nodwedd Gemegol

egni
proton affinity
electron affinity
ionization energy
7.119381 eV/particle
ionization energy of Tc (Tecneci)
enthalpy of vaporization
585 kJ/mol
enthalpy of fusion
23.8 kJ/mol
standard enthalpy of formation
678 kJ/mol
Electron
plisgyn yr electron2, 8, 18, 13, 2
Bohr model: Tc (Tecneci)
valence electron2
Lewis structure: Tc (Tecneci)
trefn yr electronnau[Kr] 4d5 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d5 5s2
Enhanced Bohr model of Tc (Tecneci)
Orbital Diagram of Tc (Tecneci)
Cyflwr ocsidiad-3, -1, 0, 1, 2, 3, 4, 5, 6, 7
Electronegatifedd
2.1
Electrophilicity Index
1.1191961031633155 eV/particle
cyflwr sylfaenol mater
cyflwr materSolid
gaseous state of matter
Boiling Point
4,535.15 K
Melting Point
2,430.15 K
critical pressure
critical temperature
triple point
appearance
lliw
Silver
appearanceshiny gray metal
Mynegrif plygiant
nodwedd ffisegol gwrthrych
Thermal Conductivity
50.6 W/(m K)
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
dargludedd trydanol
5 MS/m
Gwrthedd
0.0000002 m Ω
superconductivity
7.7 K
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0.0000000342 m³/Kg
magnetic susceptibility (Molar)
0.000000003352 m³/mol
magnetic susceptibility (Volume)
0.0003933
magnetic ordering
Curie temperature
Néel temperature
strwythur
Crystal StructureSimple Hexagonal (HEX)
lattice constant
2.74 Å
Lattice Anglesπ/2, π/2, 2 π/3
nodwedd mecanyddol deunyddiau
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
CategoryTransition metals, Transition metals
CAS GroupVIIA
IUPAC GroupVIIB
Glawe Number59
Mendeleev Number56
Pettifor Number58
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
79 ± 10 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
22
Neutron Mass Absorption
quantum number6S5/2
space group194 (P63/mmc)

Isotopes of Technetium

Stable Isotopes0
Unstable Isotopes40
Natural Isotopes0

83Tc

Rhif màs83
neutron number40
relative atomic mass
82.966377 ± 0.000537 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod
parity-

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

84Tc

Rhif màs84
neutron number41
relative atomic mass
83.959527 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin1
nuclear quadrupole moment
dyddiad darganfod
parity+

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

85Tc

Rhif màs85
neutron number42
relative atomic mass
84.950778 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod
parity-

decay modeintensity
p (proton emission)

86Tc

Rhif màs86
neutron number43
relative atomic mass
85.944637 ± 0.000322 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
55 ± 7 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1992
parity+

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

87Tc

Rhif màs87
neutron number44
relative atomic mass
86.938067185 ± 0.0000045 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.14 ± 0.17 s
spin9/2
nuclear quadrupole moment
dyddiad darganfod1991
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.7%

88Tc

Rhif màs88
neutron number45
relative atomic mass
87.933794211 ± 0.0000044 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
6.4 ± 0.8 s
spin2
nuclear quadrupole moment
dyddiad darganfod1991
parity+

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

89Tc

Rhif màs89
neutron number46
relative atomic mass
88.927648649 ± 0.0000041 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
12.8 ± 0.9 s
spin9/2
nuclear quadrupole moment
dyddiad darganfod1991
parity+

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

90Tc

Rhif màs90
neutron number47
relative atomic mass
89.924073919 ± 0.0000011 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
49.2 ± 0.4 s
spin8
nuclear quadrupole moment
dyddiad darganfod1974
parity+

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

91Tc

Rhif màs91
neutron number48
relative atomic mass
90.918424972 ± 0.000002536 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
3.14 ± 0.02 m
spin9/2
nuclear quadrupole moment
dyddiad darganfod1974
parity

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

92Tc

Rhif màs92
neutron number49
relative atomic mass
91.915269777 ± 0.00000333 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
4.25 ± 0.15 m
spin8
nuclear quadrupole moment
dyddiad darganfod1964
parity

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

93Tc

Rhif màs93
neutron number50
relative atomic mass
92.910245147 ± 0.000001086 Da
g-factor
1.4044444444444 ± 0.013333333333333
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.75 ± 0.05 h
spin9/2
nuclear quadrupole moment
dyddiad darganfod1948
parity+

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

94Tc

Rhif màs94
neutron number51
relative atomic mass
93.909652319 ± 0.00000437 Da
g-factor
0.73142857142857 ± 0.0071428571428571
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
293 ± 1 m
spin7
nuclear quadrupole moment
dyddiad darganfod1948
parity+

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

95Tc

Rhif màs95
neutron number52
relative atomic mass
94.907652281 ± 0.000005453 Da
g-factor
1.32 ± 0.013333333333333
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
19.258 ± 0.026 h
spin9/2
nuclear quadrupole moment
dyddiad darganfod1947
parity+

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

96Tc

Rhif màs96
neutron number53
relative atomic mass
95.907866675 ± 0.000005524 Da
g-factor
0.72714285714286 ± 0.0071428571428571
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
4.28 ± 0.07 d
spin7
nuclear quadrupole moment
dyddiad darganfod1947
parity+

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

97Tc

Rhif màs97
neutron number54
relative atomic mass
96.90636072 ± 0.00000442 Da
g-factor
1.2933333333333 ± 0.02
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
4.21 ± 0.16 My
spin9/2
nuclear quadrupole moment
dyddiad darganfod1946
parity+

decay modeintensity
ϵ (electron capture)100%

98Tc

Rhif màs98
neutron number55
relative atomic mass
97.907211206 ± 0.000003628 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
4.2 ± 0.3 My
spin6
nuclear quadrupole moment
dyddiad darganfod1955
parity+

decay modeintensity
β (β decay)100%
β+ (β+ decay; β+ = ϵ + e+)0%

99Tc

Rhif màs99
neutron number56
relative atomic mass
98.906249681 ± 0.000000974 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
211.1 ± 1.2 ky
spin9/2
nuclear quadrupole moment
-0.129 ± 0.006
dyddiad darganfod1938
parity+

decay modeintensity
β (β decay)100%

100Tc

Rhif màs100
neutron number57
relative atomic mass
99.907652715 ± 0.00000145 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
15.46 ± 0.19 s
spin1
nuclear quadrupole moment
dyddiad darganfod1952
parity+

decay modeintensity
β (β decay)100%
ϵ (electron capture)0.0018%

101Tc

Rhif màs101
neutron number58
relative atomic mass
100.907305271 ± 0.000025768 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
14.22 ± 0.01 m
spin9/2
nuclear quadrupole moment
dyddiad darganfod1941
parity+

decay modeintensity
β (β decay)100%

102Tc

Rhif màs102
neutron number59
relative atomic mass
101.909207239 ± 0.00000984 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
5.28 ± 0.15 s
spin1
nuclear quadrupole moment
dyddiad darganfod1954
parity+

decay modeintensity
β (β decay)100%

103Tc

Rhif màs103
neutron number60
relative atomic mass
102.90917396 ± 0.000010531 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
54.2 ± 0.8 s
spin5/2
nuclear quadrupole moment
dyddiad darganfod1957
parity+

decay modeintensity
β (β decay)100%

104Tc

Rhif màs104
neutron number61
relative atomic mass
103.911433718 ± 0.000026716 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
18.3 ± 0.3 m
spin3
nuclear quadrupole moment
dyddiad darganfod1956
parity-

decay modeintensity
β (β decay)100%

105Tc

Rhif màs105
neutron number62
relative atomic mass
104.911662024 ± 0.000037856 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
7.64 ± 0.06 m
spin3/2
nuclear quadrupole moment
dyddiad darganfod1955
parity-

decay modeintensity
β (β decay)100%

106Tc

Rhif màs106
neutron number63
relative atomic mass
105.914356674 ± 0.00001315 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
35.6 ± 0.6 s
spin1
nuclear quadrupole moment
dyddiad darganfod1965
parity

decay modeintensity
β (β decay)100%

107Tc

Rhif màs107
neutron number64
relative atomic mass
106.915458437 ± 0.00000931 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
21.2 ± 0.2 s
spin3/2
nuclear quadrupole moment
dyddiad darganfod1965
parity-

decay modeintensity
β (β decay)100%

108Tc

Rhif màs108
neutron number65
relative atomic mass
107.918493493 ± 0.000009413 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
5.17 ± 0.07 s
spin2
nuclear quadrupole moment
dyddiad darganfod1970
parity

decay modeintensity
β (β decay)100%

109Tc

Rhif màs109
neutron number66
relative atomic mass
108.920254107 ± 0.00001038 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
905 ± 21 ms
spin5/2
nuclear quadrupole moment
dyddiad darganfod1976
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.08%

110Tc

Rhif màs110
neutron number67
relative atomic mass
109.923741263 ± 0.000010195 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
900 ± 13 ms
spin2
nuclear quadrupole moment
dyddiad darganfod1976
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.04%

111Tc

Rhif màs111
neutron number68
relative atomic mass
110.925898966 ± 0.000011359 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
350 ± 11 ms
spin5/2
nuclear quadrupole moment
dyddiad darganfod1988
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.85%

112Tc

Rhif màs112
neutron number69
relative atomic mass
111.929941658 ± 0.00000592 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
323 ± 6 ms
spin2
nuclear quadrupole moment
dyddiad darganfod1990
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.5%

113Tc

Rhif màs113
neutron number70
relative atomic mass
112.932569032 ± 0.0000036 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
152 ± 8 ms
spin5/2
nuclear quadrupole moment
dyddiad darganfod1992
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)2.1%

114Tc

Rhif màs114
neutron number71
relative atomic mass
113.93709 ± 0.000465 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
121 ± 9 ms
spin5
nuclear quadrupole moment
dyddiad darganfod1994
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.3%

115Tc

Rhif màs115
neutron number72
relative atomic mass
114.9401 ± 0.00021 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
78 ± 2 ms
spin5/2
nuclear quadrupole moment
dyddiad darganfod1994
parity+

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

116Tc

Rhif màs116
neutron number73
relative atomic mass
115.94502 ± 0.00032 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
57 ± 3 ms
spin2
nuclear quadrupole moment
dyddiad darganfod1997
parity+

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

117Tc

Rhif màs117
neutron number74
relative atomic mass
116.94832 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
44.5 ± 3 ms
spin5/2
nuclear quadrupole moment
dyddiad darganfod1997
parity+

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

118Tc

Rhif màs118
neutron number75
relative atomic mass
117.953526 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
30 ± 4 ms
spin2
nuclear quadrupole moment
dyddiad darganfod2010
parity+

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

119Tc

Rhif màs119
neutron number76
relative atomic mass
118.956876 ± 0.000537 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
22 ± 3 ms
spin5/2
nuclear quadrupole moment
dyddiad darganfod2010
parity+

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

120Tc

Rhif màs120
neutron number77
relative atomic mass
119.962426 ± 0.000537 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
21 ± 5 ms
spin3
nuclear quadrupole moment
dyddiad darganfod2010
parity+

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

121Tc

Rhif màs121
neutron number78
relative atomic mass
120.96614 ± 0.000537 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
22 ± 6 ms
spin5/2
nuclear quadrupole moment
dyddiad darganfod2015
parity+

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

122Tc

Rhif màs122
neutron number79
relative atomic mass
121.97176 ± 0.000322 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin1
nuclear quadrupole moment
dyddiad darganfod2018
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Technetium-sample
Electron shell 043 technetium

hanes

darganfyddwr neu ddyfeisiwrCarlo Perrier, Émillo Segrè
man darganfodItaly
dyddiad darganfod1937
geirdarddiadGreek: technêtos (artificial).
ynganiadtek-NEE-shi-em (Saesneg)

source

Abundance
Abundance in Earth's crust
natural abundance (cefnfor)
natural abundance (corff dynol)
0 %
natural abundance (Awyrfaen)
0 %
natural abundance (Haul)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants

1s0.891
2p4.0592
2s11.3718
3d14.647
3p16.6159
3s16.2088
4d30.118
4p27.1888
4s25.8016
5s35.7735