Volframs

Volframs (W)

chemical element with symbol W and atomic number 74
Atomic Number74
Atomic Weight183.84
Masas skaitlis184
Group6
Period6
Blockd
protons74 p+
neitrons110 n0
elektrons74 e-
Animated Bora atoma struktūras modelis of W (Volframs)

Fizikāla Īpašība

Atoma Rādiuss
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
blīvums
Atomic Radii Of The Elements: Volframs0102030405060708090100110120130140150160170180190200210220pmAtoma RādiussCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

enerģija
proton affinity
Elektrontieksme
jonizācijas potenciāls
jonizācijas potenciāls of W (Volframs)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektrons
electron shell2, 8, 18, 32, 12, 2
Bora atoma struktūras modelis: W (Volframs)
vērtības elektrons2
Lewis structure: W (Volframs)
elektronu konfigurācija[Xe] 4f14 5d4 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d4 6s2
Enhanced Bora atoma struktūras modelis of W (Volframs)
Orbital Diagram of W (Volframs)
Oksidēšanas pakāpe-4, -2, -1, 0, 1, 2, 3, 4, 5, 6
elektronegativitāte
1.7
Electrophilicity Index
fundamentālais agregātstāvoklis
agregātstāvoklisSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
trīskāršais punkts
appearance
krāsa
Gray
appearancegrayish white, lustrous
Laušanas koeficients
thermodynamic material property
Thermal Conductivity
Termiskā izplešanās
Molārā siltumietilpība
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
īpatnējā pretestība
Supravadītspēja
Magnētisms
typeparamagnetic
magnetic susceptibility (Mass)
0,00000000459 m³/Kg
magnetic susceptibility (Molar)
0,000000000844 m³/mol
magnetic susceptibility (Volume)
0,0000884
magnetic ordering
Curie temperature
Néel temperature
struktūra
Crystal StructureBody Centered Cubic (BCC)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
Cietība
tilpuma elastības modulis
shear modulus
Junga modulis
Poisson's ratio
0,28
skaņas ātrums
klasifikācija
CategoryTransition metals, Transition metals
CAS GroupVIA
IUPAC GroupVIB
Glawe Number57
Mendeleev Number53
Pettifor Number56
Geochemical Class
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
18,4
Neutron Mass Absorption
0,0036
quantum number5D0
space group229 (Im_3m)

Isotopes of Tungsten

Stable Isotopes0
Unstable Isotopes41
Natural Isotopes5
Isotopic Composition18430.64%18430.64%18628.43%18628.43%18226.50%18226.50%18314.31%18314.31%1800.12%1800.12%

157W

Masas skaitlis157
neutron number83
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
275 ± 40 ms
spins7/2
nuclear quadrupole moment
atklāšanas datums2010
parity-

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

158W

Masas skaitlis158
neutron number84
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
1,43 ± 0,18 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1981
parity+

decay modeintensity
α (α emission)100%

159W

Masas skaitlis159
neutron number85
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
8,2 ± 0,7 ms
spins7/2
nuclear quadrupole moment
atklāšanas datums1981
parity-

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

160W

Masas skaitlis160
neutron number86
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
90 ± 5 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1979
parity+

decay modeintensity
α (α emission)87%
β+ (β+ decay; β+ = ϵ + e+)

161W

Masas skaitlis161
neutron number87
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
409 ± 16 ms
spins7/2
nuclear quadrupole moment
atklāšanas datums1973
parity-

decay modeintensity
α (α emission)73%
β+ (β+ decay; β+ = ϵ + e+)27%

162W

Masas skaitlis162
neutron number88
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
1,19 ± 0,12 s
spins0
nuclear quadrupole moment
0
atklāšanas datums1973
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)45.2%

163W

Masas skaitlis163
neutron number89
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,63 ± 0,09 s
spins7/2
nuclear quadrupole moment
atklāšanas datums1973
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)14%

164W

Masas skaitlis164
neutron number90
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
6,3 ± 0,2 s
spins0
nuclear quadrupole moment
0
atklāšanas datums1973
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)96.2%
α (α emission)3.8%

165W

Masas skaitlis165
neutron number91
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
5,1 ± 0,5 s
spins5/2
nuclear quadrupole moment
atklāšanas datums1975
parity-

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

166W

Masas skaitlis166
neutron number92
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
19,2 ± 0,6 s
spins0
nuclear quadrupole moment
0
atklāšanas datums1975
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.965%
α (α emission)0.035%

167W

Masas skaitlis167
neutron number93
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
19,9 ± 0,5 s
spins5/2
nuclear quadrupole moment
atklāšanas datums1985
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.96%
α (α emission)0.04%

168W

Masas skaitlis168
neutron number94
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
50,9 ± 1,9 s
spins0
nuclear quadrupole moment
0
atklāšanas datums1971
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.0032%

169W

Masas skaitlis169
neutron number95
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
74 ± 6 s
spins5/2
nuclear quadrupole moment
atklāšanas datums1985
parity-

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

170W

Masas skaitlis170
neutron number96
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,42 ± 0,04 m
spins0
nuclear quadrupole moment
0
atklāšanas datums1971
parity+

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

171W

Masas skaitlis171
neutron number97
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,38 ± 0,04 m
spins5/2
nuclear quadrupole moment
atklāšanas datums1983
parity-

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

172W

Masas skaitlis172
neutron number98
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
6,6 ± 0,9 m
spins0
nuclear quadrupole moment
0
atklāšanas datums1964
parity+

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

173W

Masas skaitlis173
neutron number99
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
7,6 ± 0,2 m
spins5/2
nuclear quadrupole moment
atklāšanas datums1963
parity-

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

174W

Masas skaitlis174
neutron number100
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
33,2 ± 2,1 m
spins0
nuclear quadrupole moment
0
atklāšanas datums1964
parity+

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

175W

Masas skaitlis175
neutron number101
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
35,2 ± 0,6 m
spins1/2
nuclear quadrupole moment
0
atklāšanas datums1963
parity-

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

176W

Masas skaitlis176
neutron number102
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,5 ± 0,1 h
spins0
nuclear quadrupole moment
0
atklāšanas datums1950
parity+

decay modeintensity
ϵ (electron capture)100%

177W

Masas skaitlis177
neutron number103
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
132,4 ± 2 m
spins1/2
nuclear quadrupole moment
0
atklāšanas datums1950
parity-

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

178W

Masas skaitlis178
neutron number104
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
21,6 ± 0,3 d
spins0
nuclear quadrupole moment
0
atklāšanas datums1950
parity+

decay modeintensity
ϵ (electron capture)100%

179W

Masas skaitlis179
neutron number105
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
37,05 ± 0,16 m
spins7/2
nuclear quadrupole moment
atklāšanas datums1950
parity-

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

180W

Masas skaitlis180
neutron number106
Relative Atomic Mass
g-factor
0
natural abundance
0,12 ± 0,01
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
1,59 ± 0,5 Ey
spins0
nuclear quadrupole moment
0
atklāšanas datums1937
parity+

decay modeintensity
α (α emission)100%
+ (double β+ decay)

181W

Masas skaitlis181
neutron number107
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
120,956 ± 0,019 d
spins9/2
nuclear quadrupole moment
atklāšanas datums1947
parity+

decay modeintensity
ϵ (electron capture)100%

182W

Masas skaitlis182
neutron number108
Relative Atomic Mass
g-factor
0
natural abundance
26,5 ± 0,16
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins0
nuclear quadrupole moment
0
atklāšanas datums1930
parity+

decay modeintensity
α (α emission)

183W

Masas skaitlis183
neutron number109
Relative Atomic Mass
g-factor
natural abundance
14,31 ± 0,04
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins1/2
nuclear quadrupole moment
0
atklāšanas datums1930
parity-

decay modeintensity
α (α emission)

184W

Masas skaitlis184
neutron number110
Relative Atomic Mass
g-factor
0
natural abundance
30,64 ± 0,02
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins0
nuclear quadrupole moment
0
atklāšanas datums1930
parity+

decay modeintensity
α (α emission)

185W

Masas skaitlis185
neutron number111
Relative Atomic Mass
g-factor
0,362 ± 0,0093333333333333
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
75,1 ± 0,3 d
spins3/2
nuclear quadrupole moment
atklāšanas datums1940
parity-

decay modeintensity
β (β decay)100%

186W

Masas skaitlis186
neutron number112
Relative Atomic Mass
g-factor
0
natural abundance
28,43 ± 0,19
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins0
nuclear quadrupole moment
0
atklāšanas datums1930
parity+

decay modeintensity
(double β decay)
α (α emission)

187W

Masas skaitlis187
neutron number113
Relative Atomic Mass
g-factor
0,414 ± 0,01
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
23,809 ± 0,025 h
spins3/2
nuclear quadrupole moment
atklāšanas datums1940
parity-

decay modeintensity
β (β decay)100%

188W

Masas skaitlis188
neutron number114
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
69,77 ± 0,05 d
spins0
nuclear quadrupole moment
0
atklāšanas datums1951
parity+

decay modeintensity
β (β decay)100%

189W

Masas skaitlis189
neutron number115
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
11,6 ± 0,2 m
spins9/2
nuclear quadrupole moment
atklāšanas datums1963
parity-

decay modeintensity
β (β decay)100%

190W

Masas skaitlis190
neutron number116
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
30 ± 1,5 m
spins0
nuclear quadrupole moment
0
atklāšanas datums1976
parity+

decay modeintensity
β (β decay)100%

191W

Masas skaitlis191
neutron number117
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins3/2
nuclear quadrupole moment
atklāšanas datums1999
parity-

decay modeintensity
β (β decay)

192W

Masas skaitlis192
neutron number118
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins0
nuclear quadrupole moment
0
atklāšanas datums1999
parity+

decay modeintensity
β (β decay)

193W

Masas skaitlis193
neutron number119
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins1/2
nuclear quadrupole moment
0
atklāšanas datums2009
parity-

decay modeintensity
β (β decay)

194W

Masas skaitlis194
neutron number120
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins0
nuclear quadrupole moment
0
atklāšanas datums2008
parity+

decay modeintensity
β (β decay)

195W

Masas skaitlis195
neutron number121
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins3/2
nuclear quadrupole moment
atklāšanas datums2012
parity-

decay modeintensity
β (β decay)

196W

Masas skaitlis196
neutron number122
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins0
nuclear quadrupole moment
0
atklāšanas datums2012
parity+

decay modeintensity
β (β decay)

197W

Masas skaitlis197
neutron number123
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins5/2
nuclear quadrupole moment
atklāšanas datums2012
parity-

decay modeintensity
β (β decay)
Wolfram evaporated crystals and 1cm3 cube

vēsture

atklājējs vai izgudrotājsFausto and Juan José de Elhuyar
atraduma atrašanās vietaSpain
atklāšanas datums1783
EtimoloģijaSwedish: tung sten (heavy stone): symbol from its German name wolfram.
izrunaTUNG-sten (angļu)

avots

Abundance
Abundance in Earth's crust
natural abundance (okeāns)
natural abundance (cilvēka ķermenis)
natural abundance (meteoroīds)
0,000012 %
natural abundance (Saule)
0,0000004 %
Abundance in Universe
0,00000005 %

Nuclear Screening Constants

1s1.4343
2p4.4258
2s19.3302
3d13.5476
3p21.3824
3s22.13
4d36.8268
4f39.2892
4p34.4516
4s33.4412
5d57.258
5p52.6745
5s50.4585
6s64.1456