Волфрам

Волфрам (W)

chemical element with symbol W and atomic number 74
Atomic Number74
Atomic Weight183.84
Адади массавӣ184
Group6
Period6
Blockd
proton74 p+
neutron110 n0
electron74 e-
Animated Bohr model of W (Волфрам)

Хусусияти Физикӣ

Atomic Radius
135 pm
molar volume
covalent radius
137 pm
Metallic Radius
130 pm
ionic radius
66 pm
Crystal Radius
80 pm
Van der Waals radius
218 pm
зичӣ
19,3 g/cm³
Atomic Radii Of The Elements: Волфрам0102030405060708090100110120130140150160170180190200210220pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
electron affinity
0,81626 eV/particle
ionization energy
7,86403 eV/particle
ionization energy of W (Волфрам)
enthalpy of vaporization
824 kJ/mol
гармои гудозиш
standard enthalpy of formation
851 kJ/mol
electron
Абри электронӣ2, 8, 18, 32, 12, 2
Bohr model: W (Волфрам)
valence electron2
Lewis structure: W (Волфрам)
electron configuration[Xe] 4f14 5d4 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d4 6s2
Enhanced Bohr model of W (Волфрам)
Orbital Diagram of W (Волфрам)
oxidation number-4, -2, -1, 0, 1, 2, 3, 4, 5, 6
electronegativity
1.7
Electrophilicity Index
1,336370129915207 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
5 828,15 K
Melting Point
3 687,15 K
critical pressure
critical temperature
triple point
appearance
Ранг
Gray
appearancegrayish white, lustrous
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
0,0000045 1/K
molar heat capacity
24,27 J/(mol K)
Specific Heat Capacity
heat capacity ratio
electrical properties
навъConductor
electrical conductivity
20 MS/m
electrical resistivity
0,00000004999999999997 m Ω
superconductivity
0,015 K
magnetism
навъparamagnetic
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
сохт
Crystal StructureBody Centered Cubic (BCC)
lattice constant
3,16 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
7,5 MPa
bulk modulus
310 GPa
shear modulus
161 GPa
Young's modulus
411 GPa
Poisson's ratio
0,28
speed of sound
5 174 m/s
classification
CategoryTransition metals, Transition metals
CAS GroupVIA
IUPAC GroupVIB
Glawe Number57
Mendeleev Number53
Pettifor Number56
Geochemical Class
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
68 ± 15 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
18,4
Neutron Mass Absorption
0,0036
ададҳои квантӣ5D0
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

Адади массавӣ157
neutron number83
relative atomic mass
156,978862 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
275 ± 40 ms
spin7/2
nuclear quadrupole moment
таърихи кашф2010
parity-

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

158W

Адади массавӣ158
neutron number84
relative atomic mass
157,974565 ± 0,000322 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
1,43 ± 0,18 ms
spin0
nuclear quadrupole moment
0
таърихи кашф1981
parity+

decay modeintensity
α (α emission)100%

159W

Адади массавӣ159
neutron number85
relative atomic mass
158,972696 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8,2 ± 0,7 ms
spin7/2
nuclear quadrupole moment
таърихи кашф1981
parity-

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

160W

Адади массавӣ160
neutron number86
relative atomic mass
159,968513946 ± 0,000160828 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
90 ± 5 ms
spin0
nuclear quadrupole moment
0
таърихи кашф1979
parity+

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

161W

Адади массавӣ161
neutron number87
relative atomic mass
160,967249 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
409 ± 16 ms
spin7/2
nuclear quadrupole moment
таърихи кашф1973
parity-

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

162W

Адади массавӣ162
neutron number88
relative atomic mass
161,963500341 ± 0,000018955 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
1,19 ± 0,12 s
spin0
nuclear quadrupole moment
0
таърихи кашф1973
parity+

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

163W

Адади массавӣ163
neutron number89
relative atomic mass
162,962524251 ± 0,000062722 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,63 ± 0,09 s
spin7/2
nuclear quadrupole moment
таърихи кашф1973
parity-

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

164W

Адади массавӣ164
neutron number90
relative atomic mass
163,958952445 ± 0,000010384 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
6,3 ± 0,2 s
spin0
nuclear quadrupole moment
0
таърихи кашф1973
parity+

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

165W

Адади массавӣ165
neutron number91
relative atomic mass
164,958280663 ± 0,000027649 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,1 ± 0,5 s
spin5/2
nuclear quadrupole moment
таърихи кашф1975
parity-

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

166W

Адади массавӣ166
neutron number92
relative atomic mass
165,955031952 ± 0,000010159 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
19,2 ± 0,6 s
spin0
nuclear quadrupole moment
0
таърихи кашф1975
parity+

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

167W

Адади массавӣ167
neutron number93
relative atomic mass
166,95481108 ± 0,000020078 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
19,9 ± 0,5 s
spin5/2
nuclear quadrupole moment
таърихи кашф1985
parity-

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

168W

Адади массавӣ168
neutron number94
relative atomic mass
167,951805459 ± 0,000014233 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
50,9 ± 1,9 s
spin0
nuclear quadrupole moment
0
таърихи кашф1971
parity+

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

169W

Адади массавӣ169
neutron number95
relative atomic mass
168,951778689 ± 0,000016571 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
74 ± 6 s
spin5/2
nuclear quadrupole moment
таърихи кашф1985
parity-

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

170W

Адади массавӣ170
neutron number96
relative atomic mass
169,949231235 ± 0,000014165 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2,42 ± 0,04 m
spin0
nuclear quadrupole moment
0
таърихи кашф1971
parity+

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

171W

Адади массавӣ171
neutron number97
relative atomic mass
170,949451 ± 0,00003 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,38 ± 0,04 m
spin5/2
nuclear quadrupole moment
таърихи кашф1983
parity-

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

172W

Адади массавӣ172
neutron number98
relative atomic mass
171,947292 ± 0,00003 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
6,6 ± 0,9 m
spin0
nuclear quadrupole moment
0
таърихи кашф1964
parity+

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

173W

Адади массавӣ173
neutron number99
relative atomic mass
172,947689 ± 0,00003 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
7,6 ± 0,2 m
spin5/2
nuclear quadrupole moment
таърихи кашф1963
parity-

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

174W

Адади массавӣ174
neutron number100
relative atomic mass
173,946079 ± 0,00003 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
33,2 ± 2,1 m
spin0
nuclear quadrupole moment
0
таърихи кашф1964
parity+

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

175W

Адади массавӣ175
neutron number101
relative atomic mass
174,946717 ± 0,00003 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
35,2 ± 0,6 m
spin1/2
nuclear quadrupole moment
0
таърихи кашф1963
parity-

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

176W

Адади массавӣ176
neutron number102
relative atomic mass
175,945634 ± 0,00003 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2,5 ± 0,1 h
spin0
nuclear quadrupole moment
0
таърихи кашф1950
parity+

decay modeintensity
ϵ (electron capture)100%

177W

Адади массавӣ177
neutron number103
relative atomic mass
176,946643 ± 0,00003 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
132,4 ± 2 m
spin1/2
nuclear quadrupole moment
0
таърихи кашф1950
parity-

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

178W

Адади массавӣ178
neutron number104
relative atomic mass
177,945885791 ± 0,000016316 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
21,6 ± 0,3 d
spin0
nuclear quadrupole moment
0
таърихи кашф1950
parity+

decay modeintensity
ϵ (electron capture)100%

179W

Адади массавӣ179
neutron number105
relative atomic mass
178,947079378 ± 0,000015644 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
37,05 ± 0,16 m
spin7/2
nuclear quadrupole moment
таърихи кашф1950
parity-

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

180W

Адади массавӣ180
neutron number106
relative atomic mass
179,946713304 ± 0,000001545 Da
g-factor
0
natural abundance
0,12 ± 0,01
radioactivity☢️ radioactive element
half-life
1,59 ± 0,5 Ey
spin0
nuclear quadrupole moment
0
таърихи кашф1937
parity+

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

181W

Адади массавӣ181
neutron number107
relative atomic mass
180,948218733 ± 0,000001554 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
120,956 ± 0,019 d
spin9/2
nuclear quadrupole moment
таърихи кашф1947
parity+

decay modeintensity
ϵ (electron capture)100%

182W

Адади массавӣ182
neutron number108
relative atomic mass
181,948205636 ± 0,000000799 Da
g-factor
0
natural abundance
26,5 ± 0,16
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
таърихи кашф1930
parity+

decay modeintensity
α (α emission)

183W

Адади массавӣ183
neutron number109
relative atomic mass
182,950224416 ± 0,000000798 Da
g-factor
natural abundance
14,31 ± 0,04
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
таърихи кашф1930
parity-

decay modeintensity
α (α emission)

184W

Адади массавӣ184
neutron number110
relative atomic mass
183,95093318 ± 0,000000792 Da
g-factor
0
natural abundance
30,64 ± 0,02
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
таърихи кашф1930
parity+

decay modeintensity
α (α emission)

185W

Адади массавӣ185
neutron number111
relative atomic mass
184,953421206 ± 0,000000793 Da
g-factor
0,362 ± 0,0093333333333333
natural abundance
radioactivity☢️ radioactive element
half-life
75,1 ± 0,3 d
spin3/2
nuclear quadrupole moment
таърихи кашф1940
parity-

decay modeintensity
β (β decay)100%

186W

Адади массавӣ186
neutron number112
relative atomic mass
185,95436514 ± 0,000001302 Da
g-factor
0
natural abundance
28,43 ± 0,19
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
таърихи кашф1930
parity+

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

187W

Адади массавӣ187
neutron number113
relative atomic mass
186,957161249 ± 0,000001302 Da
g-factor
0,414 ± 0,01
natural abundance
radioactivity☢️ radioactive element
half-life
23,809 ± 0,025 h
spin3/2
nuclear quadrupole moment
таърихи кашф1940
parity-

decay modeintensity
β (β decay)100%

188W

Адади массавӣ188
neutron number114
relative atomic mass
187,958488325 ± 0,000003316 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
69,77 ± 0,05 d
spin0
nuclear quadrupole moment
0
таърихи кашф1951
parity+

decay modeintensity
β (β decay)100%

189W

Адади массавӣ189
neutron number115
relative atomic mass
188,961557 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
11,6 ± 0,2 m
spin9/2
nuclear quadrupole moment
таърихи кашф1963
parity-

decay modeintensity
β (β decay)100%

190W

Адади массавӣ190
neutron number116
relative atomic mass
189,963103542 ± 0,000037993 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
30 ± 1,5 m
spin0
nuclear quadrupole moment
0
таърихи кашф1976
parity+

decay modeintensity
β (β decay)100%

191W

Адади массавӣ191
neutron number117
relative atomic mass
190,966531 ± 0,000045 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
таърихи кашф1999
parity-

decay modeintensity
β (β decay)

192W

Адади массавӣ192
neutron number118
relative atomic mass
191,968202 ± 0,000215 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
таърихи кашф1999
parity+

decay modeintensity
β (β decay)

193W

Адади массавӣ193
neutron number119
relative atomic mass
192,971884 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
таърихи кашф2009
parity-

decay modeintensity
β (β decay)

194W

Адади массавӣ194
neutron number120
relative atomic mass
193,973795 ± 0,000322 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
таърихи кашф2008
parity+

decay modeintensity
β (β decay)

195W

Адади массавӣ195
neutron number121
relative atomic mass
194,977735 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
таърихи кашф2012
parity-

decay modeintensity
β (β decay)

196W

Адади массавӣ196
neutron number122
relative atomic mass
195,979882 ± 0,000429 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
таърихи кашф2012
parity+

decay modeintensity
β (β decay)

197W

Адади массавӣ197
neutron number123
relative atomic mass
196,984036 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
таърихи кашф2012
parity-

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

таърих

кошифFausto and Juan José de Elhuyar
макони кашфSpain
таърихи кашф1783
РешашиносӣSwedish: tung sten (heavy stone): symbol from its German name wolfram.
pronunciationTUNG-sten (Англисӣ)

source

Abundance
Abundance in Earth's crust
1,25 mg/kg
natural abundance (Уқёнус)
0,0001 mg/L
natural abundance (human body)
natural abundance (meteoroid)
0,000012 %
natural abundance (Офтоб)
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