Teknetium

Teknetium (Tc)

grundämne
Atomnummer43
Atommassa97.90721
masstal83
Grupp7
Period5
Blockd
Protoner43 p+
Neutroner40 n0
Electrons43 e-
Animated Bohrs atommodell of Tc (Teknetium)

Egenskaper

fysisk egenskap
atomradie
135 pm
molvolym
kovalent radie
128 pm
Metallic Radius
127 pm
ionic radius
64,5 pm
Crystal Radius
78,5 pm
Van der Waalsradie
216 pm
densitet
energi
proton affinity
Elektronaffinitet
joniseringsenergi
7,119381 eV/particle
joniseringsenergi of Tc (Teknetium)
ångbildningsvärme
585 kJ/mol
smältvärme
23,8 kJ/mol
Bildningsentalpi
678 kJ/mol
Electrons
electron shell2, 8, 18, 13, 2
Bohrs atommodell: Tc (Teknetium)
valenselektron2
elektronkonfiguration[Kr] 4d5 5s2
Enhanced Bohrs atommodell of Tc (Teknetium)
Orbital Diagram of Tc (Teknetium)
oxidationstal-3, -1, 0, 1, 2, 3, 4, 5, 6, 7
elektronegativitet
2.1
Electrophilicity
1,1191961031633155 eV/particle
Phases
aggregationstillståndFast
Gas Phase
Kokpunkt
4 535,15 K
Smältpunkt
2 430,15 K
critical pressure
critical temperature
trippelpunkt
Visual
färg
Silver
appearanceshiny gray metal
Brytningsindex
materialegenskap
Värmeledningsförmåga
50,6 W/(m K)
termisk expansion
molar heat capacity
Specifik värmekapacitet
heat capacity ratio
electrical properties
typeConductor
elektrisk konduktivitet
5 MS/m
resistivitet
0,0000002 m Ω
supraledare
7,7 K
magnetism
typeparamagnetic
magnetisk susceptibilitet (Mass)
0,0000000342 m³/Kg
magnetisk susceptibilitet (Molar)
0,000000003352 m³/mol
magnetisk susceptibilitet (Volume)
0,0003933
magnetic ordering
Curiepunkten
Néel temperature
Structure
KristallstrukturEnkelt hexagonalt (HEX)
Gitterkonstant
2,74 Å
Lattice Anglesπ/2, π/2, 2 π/3
mekanisk materialegenskap
hårdhet
Kompressibilitet
skjuvmodul
Young's modulus
Poissons konstant
ljudhastighet
klassificering
KategoriÖvergångsmetaller, Transition metals
CAS GroupVIIA
IUPAC GroupVIIB
Glawe Number59
Mendeleev Number56
Pettifor Number58
Geochemical Class
Goldschmidt classificationsynthetic
övrigt
Gas Basicity
Dipole Polarizability
79 ± 10 a₀
C6 Dispersion Coefficient
Allotropes
Träffyta
22
Neutron Mass Absorption
kvanttal6S5/2
rymdgrupp194 (P63/mmc)

Teknetiumisotoper

Stabila isotoper0
Instabila isotoper40
Radioactive Isotopes37

83Tc

natural abundance
relative atomic mass
82,966377 ± 0,000537 Da
masstal83
g-factor
Halveringstid
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum
Paritet-

83Tc Decay Modes
decay modeIntensitet
p (proton emission)%
β+ (β+ decay; β+ = ϵ + e+)%
β+ p (β+-delayed proton emission)%

84Tc

natural abundance
relative atomic mass
83,959527 ± 0,000429 Da
masstal84
g-factor
Halveringstid
Spinn1
nuclear quadrupole moment
upptäcktsdatum
Paritet+

84Tc Decay Modes
decay modeIntensitet
p (proton emission)%
β+ (β+ decay; β+ = ϵ + e+)%
β+ p (β+-delayed proton emission)%

85Tc

natural abundance
relative atomic mass
84,950778 ± 0,000429 Da
masstal85
g-factor
Halveringstid
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum
Paritet-

85Tc Decay Modes
decay modeIntensitet
p (proton emission)%

86Tc

natural abundanceRadioactive ☢️
relative atomic mass
85,944637 ± 0,000322 Da
masstal86
g-factor
0
Halveringstid
55 ± 7 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1992
Paritet+

86Tc Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)%

87Tc

natural abundanceRadioactive ☢️
relative atomic mass
86,938067185 ± 0,0000045 Da
masstal87
g-factor
Halveringstid
2,14 ± 0,17 s
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1991
Paritet+

87Tc Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.7%

88Tc

natural abundanceRadioactive ☢️
relative atomic mass
87,933794211 ± 0,0000044 Da
masstal88
g-factor
Halveringstid
6,4 ± 0,8 s
Spinn2
nuclear quadrupole moment
upptäcktsdatum1991
Paritet+

88Tc Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)%

89Tc

natural abundanceRadioactive ☢️
relative atomic mass
88,927648649 ± 0,0000041 Da
masstal89
g-factor
Halveringstid
12,8 ± 0,9 s
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1991
Paritet+

89Tc Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

90Tc

natural abundanceRadioactive ☢️
relative atomic mass
89,924073919 ± 0,0000011 Da
masstal90
g-factor
Halveringstid
49,2 ± 0,4 s
Spinn8
nuclear quadrupole moment
upptäcktsdatum1974
Paritet+

90Tc Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

91Tc

natural abundanceRadioactive ☢️
relative atomic mass
90,918424972 ± 0,000002536 Da
masstal91
g-factor
Halveringstid
3,14 ± 0,02 m
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1974
Paritet

91Tc Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

92Tc

natural abundanceRadioactive ☢️
relative atomic mass
91,915269777 ± 0,00000333 Da
masstal92
g-factor
Halveringstid
4,25 ± 0,15 m
Spinn8
nuclear quadrupole moment
upptäcktsdatum1964
Paritet

92Tc Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

93Tc

natural abundanceRadioactive ☢️
relative atomic mass
92,910245147 ± 0,000001086 Da
masstal93
g-factor
1,4044444444444 ± 0,013333333333333
Halveringstid
2,75 ± 0,05 h
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1948
Paritet+

93Tc Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

94Tc

natural abundanceRadioactive ☢️
relative atomic mass
93,909652319 ± 0,00000437 Da
masstal94
g-factor
0,73142857142857 ± 0,0071428571428571
Halveringstid
293 ± 1 m
Spinn7
nuclear quadrupole moment
upptäcktsdatum1948
Paritet+

94Tc Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

95Tc

natural abundanceRadioactive ☢️
relative atomic mass
94,907652281 ± 0,000005453 Da
masstal95
g-factor
1,32 ± 0,013333333333333
Halveringstid
19,258 ± 0,026 h
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1947
Paritet+

95Tc Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

96Tc

natural abundanceRadioactive ☢️
relative atomic mass
95,907866675 ± 0,000005524 Da
masstal96
g-factor
0,72714285714286 ± 0,0071428571428571
Halveringstid
4,28 ± 0,07 d
Spinn7
nuclear quadrupole moment
upptäcktsdatum1947
Paritet+

96Tc Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

97Tc

natural abundanceRadioactive ☢️
relative atomic mass
96,90636072 ± 0,00000442 Da
masstal97
g-factor
1,2933333333333 ± 0,02
Halveringstid
4,21 ± 0,16 My
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1946
Paritet+

97Tc Decay Modes
decay modeIntensitet
ϵ (electron capture)100%

98Tc

natural abundanceRadioactive ☢️
relative atomic mass
97,907211206 ± 0,000003628 Da
masstal98
g-factor
Halveringstid
4,2 ± 0,3 My
Spinn6
nuclear quadrupole moment
upptäcktsdatum1955
Paritet+

98Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β+ (β+ decay; β+ = ϵ + e+)0%

99Tc

natural abundanceRadioactive ☢️
relative atomic mass
98,906249681 ± 0,000000974 Da
masstal99
g-factor
Halveringstid
211,1 ± 1,2 ky
Spinn9/2
nuclear quadrupole moment
−0,129 ± 0,006
upptäcktsdatum1938
Paritet+

99Tc Decay Modes
decay modeIntensitet
β (β decay)100%

100Tc

natural abundanceRadioactive ☢️
relative atomic mass
99,907652715 ± 0,00000145 Da
masstal100
g-factor
Halveringstid
15,46 ± 0,19 s
Spinn1
nuclear quadrupole moment
upptäcktsdatum1952
Paritet+

100Tc Decay Modes
decay modeIntensitet
β (β decay)100%
ϵ (electron capture)0.0018%

101Tc

natural abundanceRadioactive ☢️
relative atomic mass
100,907305271 ± 0,000025768 Da
masstal101
g-factor
Halveringstid
14,22 ± 0,01 m
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1941
Paritet+

101Tc Decay Modes
decay modeIntensitet
β (β decay)100%

102Tc

natural abundanceRadioactive ☢️
relative atomic mass
101,909207239 ± 0,00000984 Da
masstal102
g-factor
Halveringstid
5,28 ± 0,15 s
Spinn1
nuclear quadrupole moment
upptäcktsdatum1954
Paritet+

102Tc Decay Modes
decay modeIntensitet
β (β decay)100%

103Tc

natural abundanceRadioactive ☢️
relative atomic mass
102,90917396 ± 0,000010531 Da
masstal103
g-factor
Halveringstid
54,2 ± 0,8 s
Spinn5/2
nuclear quadrupole moment
upptäcktsdatum1957
Paritet+

103Tc Decay Modes
decay modeIntensitet
β (β decay)100%

104Tc

natural abundanceRadioactive ☢️
relative atomic mass
103,911433718 ± 0,000026716 Da
masstal104
g-factor
Halveringstid
18,3 ± 0,3 m
Spinn3
nuclear quadrupole moment
upptäcktsdatum1956
Paritet-

104Tc Decay Modes
decay modeIntensitet
β (β decay)100%

105Tc

natural abundanceRadioactive ☢️
relative atomic mass
104,911662024 ± 0,000037856 Da
masstal105
g-factor
Halveringstid
7,64 ± 0,06 m
Spinn3/2
nuclear quadrupole moment
upptäcktsdatum1955
Paritet-

105Tc Decay Modes
decay modeIntensitet
β (β decay)100%

106Tc

natural abundanceRadioactive ☢️
relative atomic mass
105,914356674 ± 0,00001315 Da
masstal106
g-factor
Halveringstid
35,6 ± 0,6 s
Spinn1
nuclear quadrupole moment
upptäcktsdatum1965
Paritet

106Tc Decay Modes
decay modeIntensitet
β (β decay)100%

107Tc

natural abundanceRadioactive ☢️
relative atomic mass
106,915458437 ± 0,00000931 Da
masstal107
g-factor
Halveringstid
21,2 ± 0,2 s
Spinn3/2
nuclear quadrupole moment
upptäcktsdatum1965
Paritet-

107Tc Decay Modes
decay modeIntensitet
β (β decay)100%

108Tc

natural abundanceRadioactive ☢️
relative atomic mass
107,918493493 ± 0,000009413 Da
masstal108
g-factor
Halveringstid
5,17 ± 0,07 s
Spinn2
nuclear quadrupole moment
upptäcktsdatum1970
Paritet

108Tc Decay Modes
decay modeIntensitet
β (β decay)100%

109Tc

natural abundanceRadioactive ☢️
relative atomic mass
108,920254107 ± 0,00001038 Da
masstal109
g-factor
Halveringstid
905 ± 21 ms
Spinn5/2
nuclear quadrupole moment
upptäcktsdatum1976
Paritet+

109Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)0.08%

110Tc

natural abundanceRadioactive ☢️
relative atomic mass
109,923741263 ± 0,000010195 Da
masstal110
g-factor
Halveringstid
900 ± 13 ms
Spinn2
nuclear quadrupole moment
upptäcktsdatum1976
Paritet+

110Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)0.04%

111Tc

natural abundanceRadioactive ☢️
relative atomic mass
110,925898966 ± 0,000011359 Da
masstal111
g-factor
Halveringstid
350 ± 11 ms
Spinn5/2
nuclear quadrupole moment
upptäcktsdatum1988
Paritet+

111Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)0.85%

112Tc

natural abundanceRadioactive ☢️
relative atomic mass
111,929941658 ± 0,00000592 Da
masstal112
g-factor
Halveringstid
323 ± 6 ms
Spinn2
nuclear quadrupole moment
upptäcktsdatum1990
Paritet+

112Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)1.5%

113Tc

natural abundanceRadioactive ☢️
relative atomic mass
112,932569032 ± 0,0000036 Da
masstal113
g-factor
Halveringstid
152 ± 8 ms
Spinn5/2
nuclear quadrupole moment
upptäcktsdatum1992
Paritet+

113Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)2.1%

114Tc

natural abundanceRadioactive ☢️
relative atomic mass
113,93709 ± 0,000465 Da
masstal114
g-factor
Halveringstid
121 ± 9 ms
Spinn5
nuclear quadrupole moment
upptäcktsdatum1994
Paritet+

114Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)1.3%

115Tc

natural abundanceRadioactive ☢️
relative atomic mass
114,9401 ± 0,00021 Da
masstal115
g-factor
Halveringstid
78 ± 2 ms
Spinn5/2
nuclear quadrupole moment
upptäcktsdatum1994
Paritet+

115Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%

116Tc

natural abundanceRadioactive ☢️
relative atomic mass
115,94502 ± 0,00032 Da
masstal116
g-factor
Halveringstid
57 ± 3 ms
Spinn2
nuclear quadrupole moment
upptäcktsdatum1997
Paritet+

116Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

117Tc

natural abundanceRadioactive ☢️
relative atomic mass
116,94832 ± 0,000429 Da
masstal117
g-factor
Halveringstid
44,5 ± 3 ms
Spinn5/2
nuclear quadrupole moment
upptäcktsdatum1997
Paritet+

117Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

118Tc

natural abundanceRadioactive ☢️
relative atomic mass
117,953526 ± 0,000429 Da
masstal118
g-factor
Halveringstid
30 ± 4 ms
Spinn2
nuclear quadrupole moment
upptäcktsdatum2010
Paritet+

118Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

119Tc

natural abundanceRadioactive ☢️
relative atomic mass
118,956876 ± 0,000537 Da
masstal119
g-factor
Halveringstid
22 ± 3 ms
Spinn5/2
nuclear quadrupole moment
upptäcktsdatum2010
Paritet+

119Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

120Tc

natural abundanceRadioactive ☢️
relative atomic mass
119,962426 ± 0,000537 Da
masstal120
g-factor
Halveringstid
21 ± 5 ms
Spinn3
nuclear quadrupole moment
upptäcktsdatum2010
Paritet+

120Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

121Tc

natural abundanceRadioactive ☢️
relative atomic mass
120,96614 ± 0,000537 Da
masstal121
g-factor
Halveringstid
22 ± 6 ms
Spinn5/2
nuclear quadrupole moment
upptäcktsdatum2015
Paritet+

121Tc Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

122Tc

natural abundanceRadioactive ☢️
relative atomic mass
121,97176 ± 0,000322 Da
masstal122
g-factor
Halveringstid
Spinn1
nuclear quadrupole moment
upptäcktsdatum2018
Paritet+

122Tc Decay Modes
decay modeIntensitet
β (β decay)%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%
Technetium-sample
Electron shell 043 technetium

historia

upptäckare eller uppfinnareCarlo Perrier, Émillo Segrè
fyndplatsItaly
upptäcktsdatum1937
etymologiGreek: technêtos (artificial).
uttaltek-NEE-shi-em (engelska)

Sources

Förekomst
Abundance in Earth's crust
Abundance in Oceans
Abundance in Human Body
0 %
Abundance in Meteor
0 %
Abundance in Sun
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