Tantal

Tantal (Ta)

hemijski element sa simbolom Ta i atomskim brojem 73
Atomic Number73
Atomic Weight180.94788
Maseni broj181
Group5
Period6
Blockd
Proton73 p+
Neutron108 n0
Elektron73 e-
Animated Bohrov model atoma of Ta (Tantal)

Physical Property

Atomski Radijus
145 pm
Molarni volumen
covalent radius
146 pm
Metallic Radius
134 pm
Ionski radijus
72 pm
Crystal Radius
86 pm
Van der Waalsov radijus
222 pm
gustoća
16,4 g/cm³
Atomic Radii Of The Elements: Tantal0102030405060708090100110120130140150160170180190200210220230pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
electron affinity
ionization energy
7,54957 eV/particle
ionization energy of Ta (Tantal)
Toplota isparavanja
758 kJ/mol
toplota topljenja
24,7 kJ/mol
standard enthalpy of formation
782 kJ/mol
Elektron
electron shell2, 8, 18, 32, 11, 2
Bohrov model atoma: Ta (Tantal)
Valentni elektron2
Lewis structure: Ta (Tantal)
electron configuration[Xe] 4f14 5d3 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d3 6s2
Enhanced Bohrov model atoma of Ta (Tantal)
Orbital Diagram of Ta (Tantal)
oksidacijsko stanje-3, -1, 0, 1, 2, 3, 4, 5
Elektronegativnost
1.5
Electrophilicity Index
1,0716190618855992 eV/particle
fundamental state of matter
agregatno stanjeSolid
gaseous state of matter
Boiling Point
5.728,15 K
Melting Point
3.290,15 K
critical pressure
Kritična temperatura
Trojna tačka
appearance
boja
Gray
appearancegray blue
Indeks prelamanja
thermodynamic material property
Thermal Conductivity
57,5 W/(m K)
thermal expansion
0,0000063 1/K
molar heat capacity
25,36 J/(mol K)
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Specifična električna provodljivost
7,7 MS/m
electrical resistivity
0,00000013 m Ω
Superprovodljivost
4,47 K
Magnetizam
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000107 m³/Kg
magnetic susceptibility (Molar)
0,000000001936 m³/mol
magnetic susceptibility (Volume)
0,0001782
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal StructureBody Centered Cubic (BCC)
lattice constant
3,31 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Tvrdoća
6,5 MPa
bulk modulus
200 GPa
shear modulus
69 GPa
Young's modulus
186 GPa
Poisson's ratio
0,34
Brzina zvuka
3.400 m/s
klasifikacija
CategoryTransition metals, Transition metals
CAS GroupVA
IUPAC GroupVB
Glawe Number52
Mendeleev Number49
Pettifor Number53
Geochemical Classhigh field strength
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
74 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
20,5
Neutron Mass Absorption
0,0041
Kvantni brojevi4F3/2
space group229 (Im_3m)

Isotopes of Tantalum

Stable Isotopes1
Unstable Isotopes39
Natural Isotopes1

155Ta

Maseni broj155
broj neutrona82
relative atomic mass
154,974248 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,2 ± 1,3 ms
spin11/2
nuclear quadrupole moment
datum otkrića2007
parity-

decay modeintensity
p (proton emission)100%

156Ta

Maseni broj156
broj neutrona83
relative atomic mass
155,972087 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
106 ± 4 ms
spin2
nuclear quadrupole moment
datum otkrića1992
parity-

decay modeintensity
p (proton emission)71%
β+ (β+ decay; β+ = ϵ + e+)29%

157Ta

Maseni broj157
broj neutrona84
relative atomic mass
156,968227445 ± 0,000161087 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,1 ± 0,4 ms
spin1/2
nuclear quadrupole moment
0
datum otkrića1979
parity+

decay modeintensity
α (α emission)96.6%
p (proton emission)3.4%
β+ (β+ decay; β+ = ϵ + e+)

158Ta

Maseni broj158
broj neutrona85
relative atomic mass
157,966593 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
49 ± 4 ms
spin2
nuclear quadrupole moment
datum otkrića1979
parity

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

159Ta

Maseni broj159
broj neutrona86
relative atomic mass
158,963028046 ± 0,000021137 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,04 ± 0,09 s
spin1/2
nuclear quadrupole moment
0
datum otkrića1979
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)66%
α (α emission)34%

160Ta

Maseni broj160
broj neutrona87
relative atomic mass
159,961541678 ± 0,00005831 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,7 ± 0,2 s
spin2
nuclear quadrupole moment
datum otkrića1979
parity

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

161Ta

Maseni broj161
broj neutrona88
relative atomic mass
160,958369489 ± 0,000026174 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1/2
nuclear quadrupole moment
0
datum otkrića1979
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

162Ta

Maseni broj162
broj neutrona89
relative atomic mass
161,957292907 ± 0,000067979 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,57 ± 0,12 s
spin3
nuclear quadrupole moment
datum otkrića1985
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.926%
α (α emission)0.074%

163Ta

Maseni broj163
broj neutrona90
relative atomic mass
162,954337194 ± 0,00004086 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,6 ± 1,8 s
spin1/2
nuclear quadrupole moment
0
datum otkrića1985
parity+

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

164Ta

Maseni broj164
broj neutrona91
relative atomic mass
163,953534 ± 0,00003 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
14,2 ± 0,3 s
spin3
nuclear quadrupole moment
datum otkrića1982
parity+

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

165Ta

Maseni broj165
broj neutrona92
relative atomic mass
164,950780287 ± 0,000014571 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
31 ± 1,5 s
spin1/2
nuclear quadrupole moment
0
datum otkrića1982
parity+

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

166Ta

Maseni broj166
broj neutrona93
relative atomic mass
165,950512 ± 0,00003 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
34,4 ± 0,5 s
spin2
nuclear quadrupole moment
datum otkrića1977
parity

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

167Ta

Maseni broj167
broj neutrona94
relative atomic mass
166,948093 ± 0,00003 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,33 ± 0,07 m
spin3/2
nuclear quadrupole moment
datum otkrića1982
parity+

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

168Ta

Maseni broj168
broj neutrona95
relative atomic mass
167,948047 ± 0,00003 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2 ± 0,1 m
spin3
nuclear quadrupole moment
datum otkrića1969
parity+

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

169Ta

Maseni broj169
broj neutrona96
relative atomic mass
168,946011 ± 0,00003 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,9 ± 0,4 m
spin5/2
nuclear quadrupole moment
datum otkrića1969
parity+

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

170Ta

Maseni broj170
broj neutrona97
relative atomic mass
169,946175 ± 0,00003 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,76 ± 0,06 m
spin3
nuclear quadrupole moment
datum otkrića1969
parity+

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

171Ta

Maseni broj171
broj neutrona98
relative atomic mass
170,944476 ± 0,00003 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
23,3 ± 0,3 m
spin5/2
nuclear quadrupole moment
datum otkrića1969
parity+

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

172Ta

Maseni broj172
broj neutrona99
relative atomic mass
171,944895 ± 0,00003 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
36,8 ± 0,3 m
spin3
nuclear quadrupole moment
datum otkrića1964
parity+

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

173Ta

Maseni broj173
broj neutrona100
relative atomic mass
172,94375 ± 0,00003 Da
g-factor
0,68 ± 0,012
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,14 ± 0,13 h
spin5/2
nuclear quadrupole moment
-1,8 ± 0,2
datum otkrića1960
parity-

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

174Ta

Maseni broj174
broj neutrona101
relative atomic mass
173,944454 ± 0,00003 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,14 ± 0,08 h
spin3
nuclear quadrupole moment
datum otkrića1960
parity+

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

175Ta

Maseni broj175
broj neutrona102
relative atomic mass
174,943737 ± 0,00003 Da
g-factor
0,64857142857143 ± 0,014285714285714
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,5 ± 0,2 h
spin7/2
nuclear quadrupole moment
3,5 ± 0,3
datum otkrića1960
parity+

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

176Ta

Maseni broj176
broj neutrona103
relative atomic mass
175,944857 ± 0,000033 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,09 ± 0,05 h
spin1
nuclear quadrupole moment
datum otkrića1948
parity

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

177Ta

Maseni broj177
broj neutrona104
relative atomic mass
176,94448194 ± 0,000003558 Da
g-factor
0,64285714285714 ± 0,014285714285714
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
56,36 ± 0,13 h
spin7/2
nuclear quadrupole moment
datum otkrića1948
parity+

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

178Ta

Maseni broj178
broj neutrona105
relative atomic mass
177,94568 ± 0,000056 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,36 ± 0,08 h
spin7
nuclear quadrupole moment
datum otkrića1950
parity-

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

179Ta

Maseni broj179
broj neutrona106
relative atomic mass
178,94593905 ± 0,000001574 Da
g-factor
0,65314285714286 ± 0,0017142857142857
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,82 ± 0,03 y
spin7/2
nuclear quadrupole moment
3,27 ± 0,04
datum otkrića1950
parity+

decay modeintensity
ϵ (electron capture)100%

180Ta

Maseni broj180
broj neutrona107
relative atomic mass
179,947467589 ± 0,000002219 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,154 ± 0,006 h
spin1
nuclear quadrupole moment
datum otkrića1938
parity+

decay modeintensity
ϵ (electron capture)85%
β (β decay)15%

181Ta

Maseni broj181
broj neutrona108
relative atomic mass
180,947998528 ± 0,000001692 Da
g-factor
natural abundance
99,98799 ± 0,00032
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
3,17 ± 0,02
datum otkrića1932
parity+

182Ta

Maseni broj182
broj neutrona109
relative atomic mass
181,950154612 ± 0,000001693 Da
g-factor
1,0066666666667 ± 0,01
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
114,74 ± 0,12 d
spin3
nuclear quadrupole moment
2,6 ± 0,3
datum otkrića1938
parity-

decay modeintensity
β (β decay)100%

183Ta

Maseni broj183
broj neutrona110
relative atomic mass
182,95137538 ± 0,000001707 Da
g-factor
0,67428571428571 ± 0,0085714285714286
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,1 ± 0,1 d
spin7/2
nuclear quadrupole moment
datum otkrića1950
parity+

decay modeintensity
β (β decay)100%

184Ta

Maseni broj184
broj neutrona111
relative atomic mass
183,954009958 ± 0,000027923 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,7 ± 0,1 h
spin5
nuclear quadrupole moment
datum otkrića1955
parity-

decay modeintensity
β (β decay)100%

185Ta

Maseni broj185
broj neutrona112
relative atomic mass
184,955561317 ± 0,000015202 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
49,4 ± 1,5 m
spin7/2
nuclear quadrupole moment
datum otkrića1950
parity+

decay modeintensity
β (β decay)100%

186Ta

Maseni broj186
broj neutrona113
relative atomic mass
185,958553036 ± 0,000064425 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,5 ± 0,3 m
spin3
nuclear quadrupole moment
datum otkrića1955
parity

decay modeintensity
β (β decay)100%

187Ta

Maseni broj187
broj neutrona114
relative atomic mass
186,960391 ± 0,00006 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,3 ± 6 m
spin7/2
nuclear quadrupole moment
datum otkrića1999
parity+

decay modeintensity
β (β decay)100%

188Ta

Maseni broj188
broj neutrona115
relative atomic mass
187,963596 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
19,6 ± 2 s
spin1
nuclear quadrupole moment
datum otkrića1999
parity-

decay modeintensity
β (β decay)100%

189Ta

Maseni broj189
broj neutrona116
relative atomic mass
188,96569 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
datum otkrića1999
parity+

decay modeintensity
β (β decay)100%

190Ta

Maseni broj190
broj neutrona117
relative atomic mass
189,969168 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,3 ± 0,7 s
spin3
nuclear quadrupole moment
datum otkrića2009
parity

decay modeintensity
β (β decay)100%

191Ta

Maseni broj191
broj neutrona118
relative atomic mass
190,97153 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
datum otkrića2009
parity+

decay modeintensity
β (β decay)

192Ta

Maseni broj192
broj neutrona119
relative atomic mass
191,975201 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,2 ± 0,7 s
spin2
nuclear quadrupole moment
datum otkrića2009
parity

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

193Ta

Maseni broj193
broj neutrona120
relative atomic mass
192,97766 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
datum otkrića2012
parity+

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

194Ta

Maseni broj194
broj neutrona121
relative atomic mass
193,98161 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
datum otkrića2012
parity

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Tantalum single crystal and 1cm3 cube

historija

otkrivač ili izumiteljAnders Ekeberg
mjesto otkrićaSweden
datum otkrića1802
EtimologijaFrom king Tantalus of Greek mythology, father of Niobe.
pronunciationTAN-te-lem (engleski)

izvor

Abundance
Abundance in Earth's crust
natural abundance (okean)
0,000002 mg/L
natural abundance (ljudsko tijelo)
natural abundance (Meteoroidi)
0,000002 %
natural abundance (Sunce)
Abundance in Universe
0,000000008 %

Nuclear Screening Constants

1s1.4163
2p4.4136
2s19.0702
3d13.5589
3p21.1996
3s21.9085
4d36.676
4f39.5296
4p34.2652
4s33.2412
5d56.632
5p52.5265
5s50.3065
6s63.475