Tantal

Tantal (Ta)

chemical element with the atomic number of 73
Atomski broj73
Relativna atomska masa180.94788
Maseni broj181
Skupina5
Perioda6
Blokd
proton73 p+
neutron108 n0
elektron73 e-
Animated Bohrov model atoma of Ta (Tantal)

Physical Property

Atomski Radijus
145 pm
Molni volumen
Kovalentni Radijus
146 pm
Metallic Radius
134 pm
Ionski radijus
72 pm
Crystal Radius
86 pm
Van der Waals radius
222 pm
gustoća
16,4 g/cm³
Atomic Radii Of The Elements: Tantal0102030405060708090100110120130140150160170180190200210220230pmAtomski RadijusKovalentni RadijusMetallic RadiusVan der Waals radius

Kemijsko Svojstvo

energija
proton affinity
Elektronski afinitet
ionization energy
7,54957 eV/particle
ionization energy of Ta (Tantal)
Toplina isparivanja
758 kJ/mol
toplina taljenja
24,7 kJ/mol
standard enthalpy of formation
782 kJ/mol
elektron
Elektronska ljuska2, 8, 18, 32, 11, 2
Bohrov model atoma: Ta (Tantal)
valence electron2
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)
Oksidacijski broj-3, -1, 0, 1, 2, 3, 4, 5
Elektronegativnost
1.5
Electrophilicity Index
1,0716190618855992 eV/particle
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
5.728,15 K
Talište
3.290,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja
Siva
appearancegray blue
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
57,5 W/(m K)
Toplinsko istezanje
0,0000063 1/K
molar heat capacity
25,36 J/(mol K)
Specifični toplinski kapacitet
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
7,7 MS/m
Električna otpornost i provodnost
0,00000013 m Ω
Supravodljivost
4,47 K
Magnetizam
typeparamagnetic
Magnetna susceptibilnost (Mass)
0,0000000107 m³/Kg
Magnetna susceptibilnost (Molar)
0,000000001936 m³/mol
Magnetna susceptibilnost (Volume)
0,0001782
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna strukturaKubna prostorno centrirana (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
Youngov modul elastičnosti
186 GPa
Poissonov omjer
0,34
brzina zvuka
3.400 m/s
classification
KategorijaPrijelazni metali, 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
Nuklearni udarni presjek
20,5
Neutron Mass Absorption
0,0041
Kvantni brojevi4F3/2
space group229 (Im_3m)

Isotopes of Tantalum

Stabilni izotopi1
Nestabilni izotopi39
Natural Isotopes1

155Ta

Maseni broj155
neutron number82
Relativna atomska masa
154,974248 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,2 ± 1,3 ms
spin11/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2007
Parnost-

decay modeintensity
p (proton emission)100%

156Ta

Maseni broj156
neutron number83
Relativna atomska masa
155,972087 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
106 ± 4 ms
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1992
Parnost-

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

157Ta

Maseni broj157
neutron number84
Relativna atomska masa
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
vrijeme otkrića ili izuma1979
Parnost+

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

158Ta

Maseni broj158
neutron number85
Relativna atomska masa
157,966593 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
49 ± 4 ms
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1979
Parnost

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

159Ta

Maseni broj159
neutron number86
Relativna atomska masa
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
vrijeme otkrića ili izuma1979
Parnost+

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

160Ta

Maseni broj160
neutron number87
Relativna atomska masa
159,961541678 ± 0,00005831 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,7 ± 0,2 s
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1979
Parnost

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

161Ta

Maseni broj161
neutron number88
Relativna atomska masa
160,958369489 ± 0,000026174 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1979
Parnost+

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

162Ta

Maseni broj162
neutron number89
Relativna atomska masa
161,957292907 ± 0,000067979 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,57 ± 0,12 s
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1985
Parnost-

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

163Ta

Maseni broj163
neutron number90
Relativna atomska masa
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
vrijeme otkrića ili izuma1985
Parnost+

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

164Ta

Maseni broj164
neutron number91
Relativna atomska masa
163,953534 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
14,2 ± 0,3 s
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1982
Parnost+

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

165Ta

Maseni broj165
neutron number92
Relativna atomska masa
164,950780287 ± 0,000014571 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
31 ± 1,5 s
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1982
Parnost+

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

166Ta

Maseni broj166
neutron number93
Relativna atomska masa
165,950512 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
34,4 ± 0,5 s
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1977
Parnost

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

167Ta

Maseni broj167
neutron number94
Relativna atomska masa
166,948093 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,33 ± 0,07 m
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1982
Parnost+

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

168Ta

Maseni broj168
neutron number95
Relativna atomska masa
167,948047 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2 ± 0,1 m
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1969
Parnost+

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

169Ta

Maseni broj169
neutron number96
Relativna atomska masa
168,946011 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,9 ± 0,4 m
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1969
Parnost+

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

170Ta

Maseni broj170
neutron number97
Relativna atomska masa
169,946175 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,76 ± 0,06 m
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1969
Parnost+

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

171Ta

Maseni broj171
neutron number98
Relativna atomska masa
170,944476 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
23,3 ± 0,3 m
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1969
Parnost+

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

172Ta

Maseni broj172
neutron number99
Relativna atomska masa
171,944895 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
36,8 ± 0,3 m
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1964
Parnost+

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

173Ta

Maseni broj173
neutron number100
Relativna atomska masa
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
vrijeme otkrića ili izuma1960
Parnost-

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

174Ta

Maseni broj174
neutron number101
Relativna atomska masa
173,944454 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,14 ± 0,08 h
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1960
Parnost+

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

175Ta

Maseni broj175
neutron number102
Relativna atomska masa
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
vrijeme otkrića ili izuma1960
Parnost+

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

176Ta

Maseni broj176
neutron number103
Relativna atomska masa
175,944857 ± 0,000033 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,09 ± 0,05 h
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1948
Parnost

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

177Ta

Maseni broj177
neutron number104
Relativna atomska masa
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
vrijeme otkrića ili izuma1948
Parnost+

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

178Ta

Maseni broj178
neutron number105
Relativna atomska masa
177,94568 ± 0,000056 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,36 ± 0,08 h
spin7
nuclear quadrupole moment
vrijeme otkrića ili izuma1950
Parnost-

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

179Ta

Maseni broj179
neutron number106
Relativna atomska masa
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
vrijeme otkrića ili izuma1950
Parnost+

decay modeintensity
ϵ (electron capture)100%

180Ta

Maseni broj180
neutron number107
Relativna atomska masa
179,947467589 ± 0,000002219 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,154 ± 0,006 h
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1938
Parnost+

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

181Ta

Maseni broj181
neutron number108
Relativna atomska masa
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
vrijeme otkrića ili izuma1932
Parnost+

182Ta

Maseni broj182
neutron number109
Relativna atomska masa
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
vrijeme otkrića ili izuma1938
Parnost-

decay modeintensity
β (β decay)100%

183Ta

Maseni broj183
neutron number110
Relativna atomska masa
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
vrijeme otkrića ili izuma1950
Parnost+

decay modeintensity
β (β decay)100%

184Ta

Maseni broj184
neutron number111
Relativna atomska masa
183,954009958 ± 0,000027923 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,7 ± 0,1 h
spin5
nuclear quadrupole moment
vrijeme otkrića ili izuma1955
Parnost-

decay modeintensity
β (β decay)100%

185Ta

Maseni broj185
neutron number112
Relativna atomska masa
184,955561317 ± 0,000015202 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
49,4 ± 1,5 m
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1950
Parnost+

decay modeintensity
β (β decay)100%

186Ta

Maseni broj186
neutron number113
Relativna atomska masa
185,958553036 ± 0,000064425 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,5 ± 0,3 m
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1955
Parnost

decay modeintensity
β (β decay)100%

187Ta

Maseni broj187
neutron number114
Relativna atomska masa
186,960391 ± 0,00006 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,3 ± 6 m
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1999
Parnost+

decay modeintensity
β (β decay)100%

188Ta

Maseni broj188
neutron number115
Relativna atomska masa
187,963596 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
19,6 ± 2 s
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1999
Parnost-

decay modeintensity
β (β decay)100%

189Ta

Maseni broj189
neutron number116
Relativna atomska masa
188,96569 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1999
Parnost+

decay modeintensity
β (β decay)100%

190Ta

Maseni broj190
neutron number117
Relativna atomska masa
189,969168 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,3 ± 0,7 s
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma2009
Parnost

decay modeintensity
β (β decay)100%

191Ta

Maseni broj191
neutron number118
Relativna atomska masa
190,97153 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2009
Parnost+

decay modeintensity
β (β decay)

192Ta

Maseni broj192
neutron number119
Relativna atomska masa
191,975201 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,2 ± 0,7 s
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma2009
Parnost

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

193Ta

Maseni broj193
neutron number120
Relativna atomska masa
192,97766 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2012
Parnost+

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

194Ta

Maseni broj194
neutron number121
Relativna atomska masa
193,98161 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma2012
Parnost

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

povijest

otkrio/izumioAnders Ekeberg
location of discoverySweden
vrijeme otkrića ili izuma1802
EtimologijaFrom king Tantalus of Greek mythology, father of Niobe.
pronunciationTAN-te-lem (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
natural abundance (ocean)
0,000002 mg/L
natural abundance (tijelo)
natural abundance (meteoroid)
0,000002 %
natural abundance (Sunce)
Zastupljenost u svemiru
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