Wolfram

Wolfram (W)

grundstof med atomnummer 74
Atomnummer74
Atommasse183.84
mass number184
Gruppe6
Periode6
Blokd
proton74 p+
neutron110 n0
elektron74 e-
Animated Bohrs atommodel of W (Wolfram)

Fysisk Egenskab

Atomradius
molar volume
Kovalent Radius
Metallic Radius
Ionisk radius
Crystal Radius
Van der Waals-radius
massefylde
Atomic Radii Of The Elements: Wolfram0102030405060708090100110120130140150160170180190200210220pmAtomradiusKovalent RadiusMetallic RadiusVan der Waals-radius

Kemisk Egenskab

energi
proton affinity
electron affinity
ioniseringsenergi
ioniseringsenergi of W (Wolfram)
Fordampningsvarme
smeltevarme
standard enthalpy of formation
elektron
Elektronskal2, 8, 18, 32, 12, 2
Bohrs atommodel: W (Wolfram)
Valenselektron2
Elektronprikmodellen: W (Wolfram)
electron configuration[Xe] 4f14 5d4 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d4 6s2
Enhanced Bohrs atommodel of W (Wolfram)
Orbital Diagram of W (Wolfram)
Oxidationstrin-4, -2, -1, 0, 1, 2, 3, 4, 5, 6
Elektronegativitet
1.7
Electrophilicity Index
fundamental state of matter
stoffaseFast stof
gaseous state of matter
Kogepunkt
Smeltepunkt
critical pressure
critical temperature
trippelpunkt
appearance
farve
Grå
appearancegrayish white, lustrous
Brydningsindeks
materialeegenskab
Varmeledningsevne
Termisk ekspansion
molar heat capacity
Varmefylde
Adiabateksponenten
electrical properties
typeConductor
specifik ledningsevne
Elektrisk resistivitet
superledning
Magnetisme
typeparamagnetic
magnetic susceptibility (Mass)
0,00000000459 m³/Kg
magnetic susceptibility (Molar)
0,000000000844 m³/mol
magnetic susceptibility (Volume)
0,0000884
magnetic ordering
Curietemperaturen
Néel temperature
struktur
KrystalstrukturRumcentreret Kubisk (BCC)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
hårdhed
Kompressibilitetsmodul
Forskydningsmodul
E-modul
Poissons forhold
0,28
speed of sound
klassificering
KategoriOvergangsmetaller, Transition metals
CAS GroupVIA
IUPAC GroupVIB
Glawe Number57
Mendeleev Number53
Pettifor Number56
Geochemical Class
Goldschmidt classificationlitophile

øvrige

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
18,4
Neutron Mass Absorption
0,0036
quantum number5D0
rumgruppe229 (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

mass number157
neutron number83
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
275 ± 40 ms
spin7/2
nuclear quadrupole moment
opdagelsesdato2010
Paritet-

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

158W

mass number158
neutron number84
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
1,43 ± 0,18 ms
spin0
nuclear quadrupole moment
0
opdagelsesdato1981
Paritet+

decay modeIntensitet
α (α emission)100%

159W

mass number159
neutron number85
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
8,2 ± 0,7 ms
spin7/2
nuclear quadrupole moment
opdagelsesdato1981
Paritet-

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

160W

mass number160
neutron number86
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
90 ± 5 ms
spin0
nuclear quadrupole moment
0
opdagelsesdato1979
Paritet+

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

161W

mass number161
neutron number87
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
409 ± 16 ms
spin7/2
nuclear quadrupole moment
opdagelsesdato1973
Paritet-

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

162W

mass number162
neutron number88
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
1,19 ± 0,12 s
spin0
nuclear quadrupole moment
0
opdagelsesdato1973
Paritet+

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

163W

mass number163
neutron number89
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
2,63 ± 0,09 s
spin7/2
nuclear quadrupole moment
opdagelsesdato1973
Paritet-

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

164W

mass number164
neutron number90
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
6,3 ± 0,2 s
spin0
nuclear quadrupole moment
0
opdagelsesdato1973
Paritet+

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

165W

mass number165
neutron number91
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
5,1 ± 0,5 s
spin5/2
nuclear quadrupole moment
opdagelsesdato1975
Paritet-

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

166W

mass number166
neutron number92
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
19,2 ± 0,6 s
spin0
nuclear quadrupole moment
0
opdagelsesdato1975
Paritet+

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

167W

mass number167
neutron number93
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
19,9 ± 0,5 s
spin5/2
nuclear quadrupole moment
opdagelsesdato1985
Paritet-

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

168W

mass number168
neutron number94
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
50,9 ± 1,9 s
spin0
nuclear quadrupole moment
0
opdagelsesdato1971
Paritet+

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

169W

mass number169
neutron number95
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
74 ± 6 s
spin5/2
nuclear quadrupole moment
opdagelsesdato1985
Paritet-

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

170W

mass number170
neutron number96
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
2,42 ± 0,04 m
spin0
nuclear quadrupole moment
0
opdagelsesdato1971
Paritet+

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

171W

mass number171
neutron number97
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
2,38 ± 0,04 m
spin5/2
nuclear quadrupole moment
opdagelsesdato1983
Paritet-

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

172W

mass number172
neutron number98
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
6,6 ± 0,9 m
spin0
nuclear quadrupole moment
0
opdagelsesdato1964
Paritet+

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

173W

mass number173
neutron number99
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
7,6 ± 0,2 m
spin5/2
nuclear quadrupole moment
opdagelsesdato1963
Paritet-

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

174W

mass number174
neutron number100
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
33,2 ± 2,1 m
spin0
nuclear quadrupole moment
0
opdagelsesdato1964
Paritet+

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

175W

mass number175
neutron number101
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
35,2 ± 0,6 m
spin1/2
nuclear quadrupole moment
0
opdagelsesdato1963
Paritet-

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

176W

mass number176
neutron number102
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
2,5 ± 0,1 h
spin0
nuclear quadrupole moment
0
opdagelsesdato1950
Paritet+

decay modeIntensitet
ϵ (electron capture)100%

177W

mass number177
neutron number103
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
132,4 ± 2 m
spin1/2
nuclear quadrupole moment
0
opdagelsesdato1950
Paritet-

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

178W

mass number178
neutron number104
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
21,6 ± 0,3 d
spin0
nuclear quadrupole moment
0
opdagelsesdato1950
Paritet+

decay modeIntensitet
ϵ (electron capture)100%

179W

mass number179
neutron number105
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
37,05 ± 0,16 m
spin7/2
nuclear quadrupole moment
opdagelsesdato1950
Paritet-

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

180W

mass number180
neutron number106
Relative Atomic Mass
g-factor
0
natural abundance
0,12 ± 0,01
radioaktivitet☢️ radioactive element
halveringstid
1,59 ± 0,5 Ey
spin0
nuclear quadrupole moment
0
opdagelsesdato1937
Paritet+

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

181W

mass number181
neutron number107
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
120,956 ± 0,019 d
spin9/2
nuclear quadrupole moment
opdagelsesdato1947
Paritet+

decay modeIntensitet
ϵ (electron capture)100%

182W

mass number182
neutron number108
Relative Atomic Mass
g-factor
0
natural abundance
26,5 ± 0,16
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato1930
Paritet+

decay modeIntensitet
α (α emission)

183W

mass number183
neutron number109
Relative Atomic Mass
g-factor
natural abundance
14,31 ± 0,04
radioaktivitet☢️ radioactive element
halveringstid
spin1/2
nuclear quadrupole moment
0
opdagelsesdato1930
Paritet-

decay modeIntensitet
α (α emission)

184W

mass number184
neutron number110
Relative Atomic Mass
g-factor
0
natural abundance
30,64 ± 0,02
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato1930
Paritet+

decay modeIntensitet
α (α emission)

185W

mass number185
neutron number111
Relative Atomic Mass
g-factor
0,362 ± 0,0093333333333333
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
75,1 ± 0,3 d
spin3/2
nuclear quadrupole moment
opdagelsesdato1940
Paritet-

decay modeIntensitet
β (β decay)100%

186W

mass number186
neutron number112
Relative Atomic Mass
g-factor
0
natural abundance
28,43 ± 0,19
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato1930
Paritet+

decay modeIntensitet
(double β decay)
α (α emission)

187W

mass number187
neutron number113
Relative Atomic Mass
g-factor
0,414 ± 0,01
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
23,809 ± 0,025 h
spin3/2
nuclear quadrupole moment
opdagelsesdato1940
Paritet-

decay modeIntensitet
β (β decay)100%

188W

mass number188
neutron number114
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
69,77 ± 0,05 d
spin0
nuclear quadrupole moment
0
opdagelsesdato1951
Paritet+

decay modeIntensitet
β (β decay)100%

189W

mass number189
neutron number115
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
11,6 ± 0,2 m
spin9/2
nuclear quadrupole moment
opdagelsesdato1963
Paritet-

decay modeIntensitet
β (β decay)100%

190W

mass number190
neutron number116
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
30 ± 1,5 m
spin0
nuclear quadrupole moment
0
opdagelsesdato1976
Paritet+

decay modeIntensitet
β (β decay)100%

191W

mass number191
neutron number117
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin3/2
nuclear quadrupole moment
opdagelsesdato1999
Paritet-

decay modeIntensitet
β (β decay)

192W

mass number192
neutron number118
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato1999
Paritet+

decay modeIntensitet
β (β decay)

193W

mass number193
neutron number119
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin1/2
nuclear quadrupole moment
0
opdagelsesdato2009
Paritet-

decay modeIntensitet
β (β decay)

194W

mass number194
neutron number120
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato2008
Paritet+

decay modeIntensitet
β (β decay)

195W

mass number195
neutron number121
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin3/2
nuclear quadrupole moment
opdagelsesdato2012
Paritet-

decay modeIntensitet
β (β decay)

196W

mass number196
neutron number122
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato2012
Paritet+

decay modeIntensitet
β (β decay)

197W

mass number197
neutron number123
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin5/2
nuclear quadrupole moment
opdagelsesdato2012
Paritet-

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

historie

opdager eller opfinderFausto and Juan José de Elhuyar
fundstedSpain
opdagelsesdato1783
etymologiSwedish: tung sten (heavy stone): symbol from its German name wolfram.
udtaleTUNG-sten (engelsk)

source

Forekomst
Abundance in Earth's crust
natural abundance (verdenshave)
natural abundance (menneskelige krop)
natural abundance (Meteoroid)
0,000012 %
natural abundance (Solen)
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