Tehnecij[um]

Tehnecij[um] (Tc)

hemijski element sa simbolom Tc i atomskim brojem 43
Atomic Number43
Atomic Weight97.90721
Maseni broj83
Group7
Period5
Blockd
Proton43 p+
Neutron40 n0
Elektron43 e-
Animated Bohrov model atoma of Tc (Tehnecij[um])

Physical Property

Atomski Radijus
135 pm
Molarni volumen
covalent radius
128 pm
Metallic Radius
127 pm
Ionski radijus
64,5 pm
Crystal Radius
78,5 pm
Van der Waalsov radijus
216 pm
gustoća
Atomic Radii Of The Elements: Tehnecij[um]0102030405060708090100110120130140150160170180190200210220pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
electron affinity
ionization energy
7,119381 eV/particle
ionization energy of Tc (Tehnecij[um])
Toplota isparavanja
585 kJ/mol
toplota topljenja
23,8 kJ/mol
standard enthalpy of formation
678 kJ/mol
Elektron
electron shell2, 8, 18, 13, 2
Bohrov model atoma: Tc (Tehnecij[um])
Valentni elektron2
Lewis structure: Tc (Tehnecij[um])
electron configuration[Kr] 4d5 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d5 5s2
Enhanced Bohrov model atoma of Tc (Tehnecij[um])
Orbital Diagram of Tc (Tehnecij[um])
oksidacijsko stanje-3, -1, 0, 1, 2, 3, 4, 5, 6, 7
Elektronegativnost
2.1
Electrophilicity Index
1,1191961031633155 eV/particle
fundamental state of matter
agregatno stanjeSolid
gaseous state of matter
Boiling Point
4.535,15 K
Melting Point
2.430,15 K
critical pressure
Kritična temperatura
Trojna tačka
appearance
boja
Silver
appearanceshiny gray metal
Indeks prelamanja
thermodynamic material property
Thermal Conductivity
50,6 W/(m K)
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Specifična električna provodljivost
5 MS/m
electrical resistivity
0,0000002 m Ω
Superprovodljivost
7,7 K
Magnetizam
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000342 m³/Kg
magnetic susceptibility (Molar)
0,000000003352 m³/mol
magnetic susceptibility (Volume)
0,0003933
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal StructureSimple Hexagonal (HEX)
lattice constant
2,74 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Tvrdoća
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Brzina zvuka
klasifikacija
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
Kvantni brojevi6S5/2
space group194 (P63/mmc)

Isotopes of Technetium

Stable Isotopes0
Unstable Isotopes40
Natural Isotopes0

83Tc

Maseni broj83
broj neutrona40
relative atomic mass
82,966377 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1/2
nuclear quadrupole moment
0
datum otkrića
parity-

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

84Tc

Maseni broj84
broj neutrona41
relative atomic mass
83,959527 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1
nuclear quadrupole moment
datum otkrića
parity+

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

85Tc

Maseni broj85
broj neutrona42
relative atomic mass
84,950778 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1/2
nuclear quadrupole moment
0
datum otkrića
parity-

decay modeintensity
p (proton emission)

86Tc

Maseni broj86
broj neutrona43
relative atomic mass
85,944637 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
55 ± 7 ms
spin0
nuclear quadrupole moment
0
datum otkrića1992
parity+

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

87Tc

Maseni broj87
broj neutrona44
relative atomic mass
86,938067185 ± 0,0000045 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,14 ± 0,17 s
spin9/2
nuclear quadrupole moment
datum otkrića1991
parity+

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

88Tc

Maseni broj88
broj neutrona45
relative atomic mass
87,933794211 ± 0,0000044 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,4 ± 0,8 s
spin2
nuclear quadrupole moment
datum otkrića1991
parity+

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

89Tc

Maseni broj89
broj neutrona46
relative atomic mass
88,927648649 ± 0,0000041 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12,8 ± 0,9 s
spin9/2
nuclear quadrupole moment
datum otkrića1991
parity+

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

90Tc

Maseni broj90
broj neutrona47
relative atomic mass
89,924073919 ± 0,0000011 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
49,2 ± 0,4 s
spin8
nuclear quadrupole moment
datum otkrića1974
parity+

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

91Tc

Maseni broj91
broj neutrona48
relative atomic mass
90,918424972 ± 0,000002536 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,14 ± 0,02 m
spin9/2
nuclear quadrupole moment
datum otkrića1974
parity

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

92Tc

Maseni broj92
broj neutrona49
relative atomic mass
91,915269777 ± 0,00000333 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,25 ± 0,15 m
spin8
nuclear quadrupole moment
datum otkrića1964
parity

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

93Tc

Maseni broj93
broj neutrona50
relative atomic mass
92,910245147 ± 0,000001086 Da
g-factor
1,4044444444444 ± 0,013333333333333
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,75 ± 0,05 h
spin9/2
nuclear quadrupole moment
datum otkrića1948
parity+

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

94Tc

Maseni broj94
broj neutrona51
relative atomic mass
93,909652319 ± 0,00000437 Da
g-factor
0,73142857142857 ± 0,0071428571428571
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
293 ± 1 m
spin7
nuclear quadrupole moment
datum otkrića1948
parity+

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

95Tc

Maseni broj95
broj neutrona52
relative atomic mass
94,907652281 ± 0,000005453 Da
g-factor
1,32 ± 0,013333333333333
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
19,258 ± 0,026 h
spin9/2
nuclear quadrupole moment
datum otkrića1947
parity+

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

96Tc

Maseni broj96
broj neutrona53
relative atomic mass
95,907866675 ± 0,000005524 Da
g-factor
0,72714285714286 ± 0,0071428571428571
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,28 ± 0,07 d
spin7
nuclear quadrupole moment
datum otkrića1947
parity+

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

97Tc

Maseni broj97
broj neutrona54
relative atomic mass
96,90636072 ± 0,00000442 Da
g-factor
1,2933333333333 ± 0,02
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,21 ± 0,16 My
spin9/2
nuclear quadrupole moment
datum otkrića1946
parity+

decay modeintensity
ϵ (electron capture)100%

98Tc

Maseni broj98
broj neutrona55
relative atomic mass
97,907211206 ± 0,000003628 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,2 ± 0,3 My
spin6
nuclear quadrupole moment
datum otkrića1955
parity+

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

99Tc

Maseni broj99
broj neutrona56
relative atomic mass
98,906249681 ± 0,000000974 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
211,1 ± 1,2 ky
spin9/2
nuclear quadrupole moment
-0,129 ± 0,006
datum otkrića1938
parity+

decay modeintensity
β (β decay)100%

100Tc

Maseni broj100
broj neutrona57
relative atomic mass
99,907652715 ± 0,00000145 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
15,46 ± 0,19 s
spin1
nuclear quadrupole moment
datum otkrića1952
parity+

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

101Tc

Maseni broj101
broj neutrona58
relative atomic mass
100,907305271 ± 0,000025768 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
14,22 ± 0,01 m
spin9/2
nuclear quadrupole moment
datum otkrića1941
parity+

decay modeintensity
β (β decay)100%

102Tc

Maseni broj102
broj neutrona59
relative atomic mass
101,909207239 ± 0,00000984 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,28 ± 0,15 s
spin1
nuclear quadrupole moment
datum otkrića1954
parity+

decay modeintensity
β (β decay)100%

103Tc

Maseni broj103
broj neutrona60
relative atomic mass
102,90917396 ± 0,000010531 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
54,2 ± 0,8 s
spin5/2
nuclear quadrupole moment
datum otkrića1957
parity+

decay modeintensity
β (β decay)100%

104Tc

Maseni broj104
broj neutrona61
relative atomic mass
103,911433718 ± 0,000026716 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
18,3 ± 0,3 m
spin3
nuclear quadrupole moment
datum otkrića1956
parity-

decay modeintensity
β (β decay)100%

105Tc

Maseni broj105
broj neutrona62
relative atomic mass
104,911662024 ± 0,000037856 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
7,64 ± 0,06 m
spin3/2
nuclear quadrupole moment
datum otkrića1955
parity-

decay modeintensity
β (β decay)100%

106Tc

Maseni broj106
broj neutrona63
relative atomic mass
105,914356674 ± 0,00001315 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
35,6 ± 0,6 s
spin1
nuclear quadrupole moment
datum otkrića1965
parity

decay modeintensity
β (β decay)100%

107Tc

Maseni broj107
broj neutrona64
relative atomic mass
106,915458437 ± 0,00000931 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21,2 ± 0,2 s
spin3/2
nuclear quadrupole moment
datum otkrića1965
parity-

decay modeintensity
β (β decay)100%

108Tc

Maseni broj108
broj neutrona65
relative atomic mass
107,918493493 ± 0,000009413 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,17 ± 0,07 s
spin2
nuclear quadrupole moment
datum otkrića1970
parity

decay modeintensity
β (β decay)100%

109Tc

Maseni broj109
broj neutrona66
relative atomic mass
108,920254107 ± 0,00001038 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
905 ± 21 ms
spin5/2
nuclear quadrupole moment
datum otkrića1976
parity+

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

110Tc

Maseni broj110
broj neutrona67
relative atomic mass
109,923741263 ± 0,000010195 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
900 ± 13 ms
spin2
nuclear quadrupole moment
datum otkrića1976
parity+

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

111Tc

Maseni broj111
broj neutrona68
relative atomic mass
110,925898966 ± 0,000011359 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
350 ± 11 ms
spin5/2
nuclear quadrupole moment
datum otkrića1988
parity+

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

112Tc

Maseni broj112
broj neutrona69
relative atomic mass
111,929941658 ± 0,00000592 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
323 ± 6 ms
spin2
nuclear quadrupole moment
datum otkrića1990
parity+

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

113Tc

Maseni broj113
broj neutrona70
relative atomic mass
112,932569032 ± 0,0000036 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
152 ± 8 ms
spin5/2
nuclear quadrupole moment
datum otkrića1992
parity+

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

114Tc

Maseni broj114
broj neutrona71
relative atomic mass
113,93709 ± 0,000465 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
121 ± 9 ms
spin5
nuclear quadrupole moment
datum otkrića1994
parity+

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

115Tc

Maseni broj115
broj neutrona72
relative atomic mass
114,9401 ± 0,00021 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
78 ± 2 ms
spin5/2
nuclear quadrupole moment
datum otkrića1994
parity+

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

116Tc

Maseni broj116
broj neutrona73
relative atomic mass
115,94502 ± 0,00032 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
57 ± 3 ms
spin2
nuclear quadrupole moment
datum otkrića1997
parity+

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

117Tc

Maseni broj117
broj neutrona74
relative atomic mass
116,94832 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
44,5 ± 3 ms
spin5/2
nuclear quadrupole moment
datum otkrića1997
parity+

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

118Tc

Maseni broj118
broj neutrona75
relative atomic mass
117,953526 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
30 ± 4 ms
spin2
nuclear quadrupole moment
datum otkrića2010
parity+

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

119Tc

Maseni broj119
broj neutrona76
relative atomic mass
118,956876 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
22 ± 3 ms
spin5/2
nuclear quadrupole moment
datum otkrića2010
parity+

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

120Tc

Maseni broj120
broj neutrona77
relative atomic mass
119,962426 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21 ± 5 ms
spin3
nuclear quadrupole moment
datum otkrića2010
parity+

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

121Tc

Maseni broj121
broj neutrona78
relative atomic mass
120,96614 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
22 ± 6 ms
spin5/2
nuclear quadrupole moment
datum otkrića2015
parity+

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

122Tc

Maseni broj122
broj neutrona79
relative atomic mass
121,97176 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1
nuclear quadrupole moment
datum otkrića2018
parity+

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

historija

otkrivač ili izumiteljCarlo Perrier, Émillo Segrè
mjesto otkrićaItaly
datum otkrića1937
EtimologijaGreek: technêtos (artificial).
pronunciationtek-NEE-shi-em (engleski)

izvor

Abundance
Abundance in Earth's crust
natural abundance (okean)
natural abundance (ljudsko tijelo)
0 %
natural abundance (Meteoroidi)
0 %
natural abundance (Sunce)
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