Wolfraam

Wolfraam (W)

chemical element with symbol W and atomic number 74
Atomic Number74
Atomic Weight183.84
Massagetal184
Group6
Period6
Blockd
proton74 p+
neutron110 n0
elektron74 e-
Animated Bohr model of W (Wolfraam)

Physical Property

Atoomradius
molar volume
Covalent Radius
Metallic Radius
Ioonradius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Wolfraam0102030405060708090100110120130140150160170180190200210220pmAtoomradiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energie
proton affinity
electron affinity
ionization energy
ionization energy of W (Wolfraam)
Verdampingswarmte
smeltingswarmte
Vormingsentalpie
elektron
Elektronskil2, 8, 18, 32, 12, 2
Bohr model: W (Wolfraam)
Valenselektrone2
Lewisteorie: W (Wolfraam)
elektronkonfigurasie[Xe] 4f14 5d4 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d4 6s2
Enhanced Bohr model of W (Wolfraam)
Orbital Diagram of W (Wolfraam)
Oksidasietoestand-4, -2, -1, 0, 1, 2, 3, 4, 5, 6
Elektronegatiwiteit
1.7
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
kleur
Gray
appearancegrayish white, lustrous
Brekingsindeks
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Geleidingsvermoë
Elektriese resistiwiteit
superconductivity
Magnetisme
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
structure
Crystal StructureBody Centered Cubic (BCC)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
Massamodulus
Skuifmodulus
Young se modulus
Poisson se verhouding
0,28
Spoed van klank
classification
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
Ruimtegroep229 (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

Massagetal157
neutron number83
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
275 ± 40 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum2010
parity-

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

158W

Massagetal158
neutron number84
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,43 ± 0,18 ms
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1981
parity+

decay modeintensity
α (α emission)100%

159W

Massagetal159
neutron number85
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
8,2 ± 0,7 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1981
parity-

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

160W

Massagetal160
neutron number86
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
90 ± 5 ms
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1979
parity+

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

161W

Massagetal161
neutron number87
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
409 ± 16 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1973
parity-

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

162W

Massagetal162
neutron number88
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,19 ± 0,12 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1973
parity+

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

163W

Massagetal163
neutron number89
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,63 ± 0,09 s
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1973
parity-

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

164W

Massagetal164
neutron number90
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6,3 ± 0,2 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1973
parity+

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

165W

Massagetal165
neutron number91
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
5,1 ± 0,5 s
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1975
parity-

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

166W

Massagetal166
neutron number92
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
19,2 ± 0,6 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1975
parity+

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

167W

Massagetal167
neutron number93
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
19,9 ± 0,5 s
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1985
parity-

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

168W

Massagetal168
neutron number94
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
50,9 ± 1,9 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1971
parity+

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

169W

Massagetal169
neutron number95
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
74 ± 6 s
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1985
parity-

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

170W

Massagetal170
neutron number96
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,42 ± 0,04 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1971
parity+

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

171W

Massagetal171
neutron number97
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,38 ± 0,04 m
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1983
parity-

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

172W

Massagetal172
neutron number98
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6,6 ± 0,9 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1964
parity+

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

173W

Massagetal173
neutron number99
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
7,6 ± 0,2 m
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1963
parity-

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

174W

Massagetal174
neutron number100
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
33,2 ± 2,1 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1964
parity+

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

175W

Massagetal175
neutron number101
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
35,2 ± 0,6 m
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1963
parity-

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

176W

Massagetal176
neutron number102
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,5 ± 0,1 h
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1950
parity+

decay modeintensity
ϵ (electron capture)100%

177W

Massagetal177
neutron number103
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
132,4 ± 2 m
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1950
parity-

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

178W

Massagetal178
neutron number104
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
21,6 ± 0,3 d
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1950
parity+

decay modeintensity
ϵ (electron capture)100%

179W

Massagetal179
neutron number105
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
37,05 ± 0,16 m
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1950
parity-

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

180W

Massagetal180
neutron number106
Relative Atomic Mass
g-factor
0
natural abundance
0,12 ± 0,01
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,59 ± 0,5 Ey
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1937
parity+

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

181W

Massagetal181
neutron number107
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
120,956 ± 0,019 d
spin9/2
nuclear quadrupole moment
ontdekkingsdatum1947
parity+

decay modeintensity
ϵ (electron capture)100%

182W

Massagetal182
neutron number108
Relative Atomic Mass
g-factor
0
natural abundance
26,5 ± 0,16
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1930
parity+

decay modeintensity
α (α emission)

183W

Massagetal183
neutron number109
Relative Atomic Mass
g-factor
natural abundance
14,31 ± 0,04
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1930
parity-

decay modeintensity
α (α emission)

184W

Massagetal184
neutron number110
Relative Atomic Mass
g-factor
0
natural abundance
30,64 ± 0,02
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1930
parity+

decay modeintensity
α (α emission)

185W

Massagetal185
neutron number111
Relative Atomic Mass
g-factor
0,362 ± 0,0093333333333333
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
75,1 ± 0,3 d
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1940
parity-

decay modeintensity
β (β decay)100%

186W

Massagetal186
neutron number112
Relative Atomic Mass
g-factor
0
natural abundance
28,43 ± 0,19
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1930
parity+

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

187W

Massagetal187
neutron number113
Relative Atomic Mass
g-factor
0,414 ± 0,01
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
23,809 ± 0,025 h
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1940
parity-

decay modeintensity
β (β decay)100%

188W

Massagetal188
neutron number114
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
69,77 ± 0,05 d
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1951
parity+

decay modeintensity
β (β decay)100%

189W

Massagetal189
neutron number115
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
11,6 ± 0,2 m
spin9/2
nuclear quadrupole moment
ontdekkingsdatum1963
parity-

decay modeintensity
β (β decay)100%

190W

Massagetal190
neutron number116
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
30 ± 1,5 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1976
parity+

decay modeintensity
β (β decay)100%

191W

Massagetal191
neutron number117
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1999
parity-

decay modeintensity
β (β decay)

192W

Massagetal192
neutron number118
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1999
parity+

decay modeintensity
β (β decay)

193W

Massagetal193
neutron number119
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum2009
parity-

decay modeintensity
β (β decay)

194W

Massagetal194
neutron number120
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2008
parity+

decay modeintensity
β (β decay)

195W

Massagetal195
neutron number121
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin3/2
nuclear quadrupole moment
ontdekkingsdatum2012
parity-

decay modeintensity
β (β decay)

196W

Massagetal196
neutron number122
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2012
parity+

decay modeintensity
β (β decay)

197W

Massagetal197
neutron number123
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin5/2
nuclear quadrupole moment
ontdekkingsdatum2012
parity-

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

geskiedenis

Ontdek deurFausto and Juan José de Elhuyar
ligging van ontdekkingSpain
ontdekkingsdatum1783
etimologieSwedish: tung sten (heavy stone): symbol from its German name wolfram.
uitspraakTUNG-sten (Engels)

source

Abundance
Abundance in Earth's crust
natural abundance (oseaan)
natural abundance (human body)
natural abundance (Meteoroïde)
0,000012 %
natural abundance (Son)
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