Tungstèn

Tungstèn (W)

chemical element with symbol W and atomic number 74
Atomic Number74
Atomic Weight183.84
mass number184
Group6
Period6
Blockd
proton74 p+
neutron110 n0
electron74 e-
Animated Bohr model of W (Tungstèn)

Proprietat Fisica

Rai Atomic
135 pm
molar volume
covalent radius
137 pm
Metallic Radius
130 pm
ionic radius
66 pm
Crystal Radius
80 pm
Rai de van der Waals
218 pm
densitat
19.3 g/cm³
Atomic Radii Of The Elements: Tungstèn0102030405060708090100110120130140150160170180190200210220pmRai AtomicCovalent RadiusMetallic RadiusRai de van der Waals

Chemical Property

energia
proton affinity
electron affinity
0.81626 eV/particle
ionization energy
7.86403 eV/particle
ionization energy of W (Tungstèn)
enthalpy of vaporization
824 kJ/mol
enthalpy of fusion
standard enthalpy of formation
851 kJ/mol
electron
electron shell2, 8, 18, 32, 12, 2
Bohr model: W (Tungstèn)
valence electron2
Lewis structure: W (Tungstèn)
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 (Tungstèn)
Orbital Diagram of W (Tungstèn)
oxidation number-4, -2, -1, 0, 1, 2, 3, 4, 5, 6
Electronegativitat
1.7
Electrophilicity Index
1.336370129915207 eV/particle
fundamental state of matter
estat de la matèriaSolid
gaseous state of matter
Boiling Point
5828.15 K
Melting Point
3687.15 K
critical pressure
critical temperature
Ponch triple
appearance
Color
Gray
appearancegrayish white, lustrous
Indici de refraccion
thermodynamic material property
Thermal Conductivity
thermal expansion
0.0000045 1/K
molar heat capacity
24.27 J/(mol K)
Specific Heat Capacity
0.132 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
20 MS/m
electrical resistivity
0.00000004999999999997 m Ω
superconductivity
0.015 K
magnetism
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
estructura
Crystal StructureBody Centered Cubic (BCC)
lattice constant
3.16 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Duretat
7.5 MPa
bulk modulus
310 GPa
shear modulus
161 GPa
Young's modulus
411 GPa
Poisson's ratio
0.28
speed of sound
5174 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
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

mass number157
neutron number83
relative atomic mass
156.978862 ± 0.000429 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
275 ± 40 ms
Espin7/2
nuclear quadrupole moment
data de descobèrta2010
parity-

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

158W

mass number158
neutron number84
relative atomic mass
157.974565 ± 0.000322 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
1.43 ± 0.18 ms
Espin0
nuclear quadrupole moment
0
data de descobèrta1981
parity+

decay modeintensity
α (α emission)100%

159W

mass number159
neutron number85
relative atomic mass
158.972696 ± 0.000322 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
8.2 ± 0.7 ms
Espin7/2
nuclear quadrupole moment
data de descobèrta1981
parity-

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

160W

mass number160
neutron number86
relative atomic mass
159.968513946 ± 0.000160828 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
90 ± 5 ms
Espin0
nuclear quadrupole moment
0
data de descobèrta1979
parity+

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

161W

mass number161
neutron number87
relative atomic mass
160.967249 ± 0.000215 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
409 ± 16 ms
Espin7/2
nuclear quadrupole moment
data de descobèrta1973
parity-

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

162W

mass number162
neutron number88
relative atomic mass
161.963500341 ± 0.000018955 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
1.19 ± 0.12 s
Espin0
nuclear quadrupole moment
0
data de descobèrta1973
parity+

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

163W

mass number163
neutron number89
relative atomic mass
162.962524251 ± 0.000062722 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
2.63 ± 0.09 s
Espin7/2
nuclear quadrupole moment
data de descobèrta1973
parity-

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

164W

mass number164
neutron number90
relative atomic mass
163.958952445 ± 0.000010384 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
6.3 ± 0.2 s
Espin0
nuclear quadrupole moment
0
data de descobèrta1973
parity+

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

165W

mass number165
neutron number91
relative atomic mass
164.958280663 ± 0.000027649 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
5.1 ± 0.5 s
Espin5/2
nuclear quadrupole moment
data de descobèrta1975
parity-

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

166W

mass number166
neutron number92
relative atomic mass
165.955031952 ± 0.000010159 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
19.2 ± 0.6 s
Espin0
nuclear quadrupole moment
0
data de descobèrta1975
parity+

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

167W

mass number167
neutron number93
relative atomic mass
166.95481108 ± 0.000020078 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
19.9 ± 0.5 s
Espin5/2
nuclear quadrupole moment
data de descobèrta1985
parity-

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

168W

mass number168
neutron number94
relative atomic mass
167.951805459 ± 0.000014233 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
50.9 ± 1.9 s
Espin0
nuclear quadrupole moment
0
data de descobèrta1971
parity+

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

169W

mass number169
neutron number95
relative atomic mass
168.951778689 ± 0.000016571 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
74 ± 6 s
Espin5/2
nuclear quadrupole moment
data de descobèrta1985
parity-

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

170W

mass number170
neutron number96
relative atomic mass
169.949231235 ± 0.000014165 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
2.42 ± 0.04 m
Espin0
nuclear quadrupole moment
0
data de descobèrta1971
parity+

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

171W

mass number171
neutron number97
relative atomic mass
170.949451 ± 0.00003 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
2.38 ± 0.04 m
Espin5/2
nuclear quadrupole moment
data de descobèrta1983
parity-

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

172W

mass number172
neutron number98
relative atomic mass
171.947292 ± 0.00003 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
6.6 ± 0.9 m
Espin0
nuclear quadrupole moment
0
data de descobèrta1964
parity+

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

173W

mass number173
neutron number99
relative atomic mass
172.947689 ± 0.00003 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
7.6 ± 0.2 m
Espin5/2
nuclear quadrupole moment
data de descobèrta1963
parity-

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

174W

mass number174
neutron number100
relative atomic mass
173.946079 ± 0.00003 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
33.2 ± 2.1 m
Espin0
nuclear quadrupole moment
0
data de descobèrta1964
parity+

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

175W

mass number175
neutron number101
relative atomic mass
174.946717 ± 0.00003 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
35.2 ± 0.6 m
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1963
parity-

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

176W

mass number176
neutron number102
relative atomic mass
175.945634 ± 0.00003 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
2.5 ± 0.1 h
Espin0
nuclear quadrupole moment
0
data de descobèrta1950
parity+

decay modeintensity
ϵ (electron capture)100%

177W

mass number177
neutron number103
relative atomic mass
176.946643 ± 0.00003 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
132.4 ± 2 m
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1950
parity-

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

178W

mass number178
neutron number104
relative atomic mass
177.945885791 ± 0.000016316 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
21.6 ± 0.3 d
Espin0
nuclear quadrupole moment
0
data de descobèrta1950
parity+

decay modeintensity
ϵ (electron capture)100%

179W

mass number179
neutron number105
relative atomic mass
178.947079378 ± 0.000015644 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
37.05 ± 0.16 m
Espin7/2
nuclear quadrupole moment
data de descobèrta1950
parity-

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

180W

mass number180
neutron number106
relative atomic mass
179.946713304 ± 0.000001545 Da
g-factor
0
natural abundance
0.12 ± 0.01
Radioactivitat☢️ radioactive element
Semivida
1.59 ± 0.5 Ey
Espin0
nuclear quadrupole moment
0
data de descobèrta1937
parity+

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

181W

mass number181
neutron number107
relative atomic mass
180.948218733 ± 0.000001554 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
120.956 ± 0.019 d
Espin9/2
nuclear quadrupole moment
data de descobèrta1947
parity+

decay modeintensity
ϵ (electron capture)100%

182W

mass number182
neutron number108
relative atomic mass
181.948205636 ± 0.000000799 Da
g-factor
0
natural abundance
26.5 ± 0.16
Radioactivitat☢️ radioactive element
Semivida
Espin0
nuclear quadrupole moment
0
data de descobèrta1930
parity+

decay modeintensity
α (α emission)

183W

mass number183
neutron number109
relative atomic mass
182.950224416 ± 0.000000798 Da
g-factor
natural abundance
14.31 ± 0.04
Radioactivitat☢️ radioactive element
Semivida
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1930
parity-

decay modeintensity
α (α emission)

184W

mass number184
neutron number110
relative atomic mass
183.95093318 ± 0.000000792 Da
g-factor
0
natural abundance
30.64 ± 0.02
Radioactivitat☢️ radioactive element
Semivida
Espin0
nuclear quadrupole moment
0
data de descobèrta1930
parity+

decay modeintensity
α (α emission)

185W

mass number185
neutron number111
relative atomic mass
184.953421206 ± 0.000000793 Da
g-factor
0.362 ± 0.0093333333333333
natural abundance
Radioactivitat☢️ radioactive element
Semivida
75.1 ± 0.3 d
Espin3/2
nuclear quadrupole moment
data de descobèrta1940
parity-

decay modeintensity
β (β decay)100%

186W

mass number186
neutron number112
relative atomic mass
185.95436514 ± 0.000001302 Da
g-factor
0
natural abundance
28.43 ± 0.19
Radioactivitat☢️ radioactive element
Semivida
Espin0
nuclear quadrupole moment
0
data de descobèrta1930
parity+

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

187W

mass number187
neutron number113
relative atomic mass
186.957161249 ± 0.000001302 Da
g-factor
0.414 ± 0.01
natural abundance
Radioactivitat☢️ radioactive element
Semivida
23.809 ± 0.025 h
Espin3/2
nuclear quadrupole moment
data de descobèrta1940
parity-

decay modeintensity
β (β decay)100%

188W

mass number188
neutron number114
relative atomic mass
187.958488325 ± 0.000003316 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
69.77 ± 0.05 d
Espin0
nuclear quadrupole moment
0
data de descobèrta1951
parity+

decay modeintensity
β (β decay)100%

189W

mass number189
neutron number115
relative atomic mass
188.961557 ± 0.000215 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
11.6 ± 0.2 m
Espin9/2
nuclear quadrupole moment
data de descobèrta1963
parity-

decay modeintensity
β (β decay)100%

190W

mass number190
neutron number116
relative atomic mass
189.963103542 ± 0.000037993 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
30 ± 1.5 m
Espin0
nuclear quadrupole moment
0
data de descobèrta1976
parity+

decay modeintensity
β (β decay)100%

191W

mass number191
neutron number117
relative atomic mass
190.966531 ± 0.000045 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin3/2
nuclear quadrupole moment
data de descobèrta1999
parity-

decay modeintensity
β (β decay)

192W

mass number192
neutron number118
relative atomic mass
191.968202 ± 0.000215 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin0
nuclear quadrupole moment
0
data de descobèrta1999
parity+

decay modeintensity
β (β decay)

193W

mass number193
neutron number119
relative atomic mass
192.971884 ± 0.000215 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin1/2
nuclear quadrupole moment
0
data de descobèrta2009
parity-

decay modeintensity
β (β decay)

194W

mass number194
neutron number120
relative atomic mass
193.973795 ± 0.000322 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin0
nuclear quadrupole moment
0
data de descobèrta2008
parity+

decay modeintensity
β (β decay)

195W

mass number195
neutron number121
relative atomic mass
194.977735 ± 0.000322 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin3/2
nuclear quadrupole moment
data de descobèrta2012
parity-

decay modeintensity
β (β decay)

196W

mass number196
neutron number122
relative atomic mass
195.979882 ± 0.000429 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin0
nuclear quadrupole moment
0
data de descobèrta2012
parity+

decay modeintensity
β (β decay)

197W

mass number197
neutron number123
relative atomic mass
196.984036 ± 0.000429 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin5/2
nuclear quadrupole moment
data de descobèrta2012
parity-

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

istòria

descobridor o inventaireFausto and Juan José de Elhuyar
luòc de descobèrtaSpain
data de descobèrta1783
EtimologiaSwedish: tung sten (heavy stone): symbol from its German name wolfram.
pronunciationTUNG-sten (English)

source

Abundance
Abundance in Earth's crust
1.25 mg/kg
natural abundance (Ocean)
0.0001 mg/L
natural abundance (còs uman)
natural abundance (meteoroid)
0.000012 %
natural abundance (Solelh)
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