Платина

Платина (Pt)

chemical element with symbol Pt and atomic number 78
Atomic Number78
Atomic Weight195.084
mass number195
Group10
Period6
Blockd
Протон78 p+
Нейтрон117 n0
Электрон78 e-
Animated Bohr model of Pt (Платина)

Physical Property

Атомдук Радиус
135 pm
molar volume
covalent radius
123 pm
Metallic Radius
130 pm
ionic radius
60 pm
Crystal Radius
74 pm
Van der Waals radius
213 pm
density
21,5 g/cm³
Atomic Radii Of The Elements: Платина020406080100120140160180200220pmАтомдук РадиусCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
electron affinity
ionization energy
8,95883 eV/particle
ionization energy of Pt (Платина)
enthalpy of vaporization
470 kJ/mol
enthalpy of fusion
21,76 kJ/mol
standard enthalpy of formation
565,7 kJ/mol
Электрон
electron shell2, 8, 18, 32, 17, 1
Bohr model: Pt (Платина)
valence electron1
Lewis structure: Pt (Платина)
electron configuration[Xe] 4f14 5d9 6s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d9 6s1
Enhanced Bohr model of Pt (Платина)
Orbital Diagram of Pt (Платина)
oxidation number-3, -2, -1, 0, 1, 2, 3, 4, 5, 6
electronegativity
2.2
Electrophilicity Index
2,249320350691278 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
4 098,15 K
Melting Point
2 041,35 K
critical pressure
critical temperature
triple point
appearance
Түс –
Gray
appearancesilvery white
refractive index
thermodynamic material property
Thermal Conductivity
71,6 W/(m K)
thermal expansion
0,0000089 1/K
molar heat capacity
25,86 J/(mol K)
Specific Heat Capacity
0,133 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
9,4 MS/m
electrical resistivity
0,00000011 m Ω
superconductivity
Магнетизм
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000122 m³/Kg
magnetic susceptibility (Molar)
0,00000000238 m³/mol
magnetic susceptibility (Volume)
0,0002573
magnetic ordering
Curie temperature
Néel temperature
түзүм
Crystal StructureFace Centered Cubic (FCC)
lattice constant
3,92 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
3,5 MPa
bulk modulus
230 GPa
shear modulus
61 GPa
Young's modulus
168 GPa
Poisson's ratio
0,38
speed of sound
2 680 m/s
classification
CategoryTransition metals, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number64
Mendeleev Number69
Pettifor Number68
Geochemical Classnoble metal
Литофиль элементтериsiderophile

other

Gas Basicity
polarizability
48 ± 4 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
10
Neutron Mass Absorption
0,002
Кванттык сандар3D3
space group225 (Fm_3m)

Isotopes of Platinum

Stable Isotopes2
Unstable Isotopes42
Natural Isotopes6
Isotopic Composition19432.86%19432.86%19533.78%19533.78%19625.21%19625.21%1987.36%1987.36%1900.01%1900.01%1920.78%1920.78%

165Pt

mass number165
neutron number87
relative atomic mass
164,999658 ± 0,000429 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
370 ± 180 us
Спин7/2
nuclear quadrupole moment
time of discovery or invention2019
parity-

decay modeintensity
α (α emission)100%

166Pt

mass number166
neutron number88
relative atomic mass
165,994866 ± 0,000322 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
294 ± 62 us
Спин0
nuclear quadrupole moment
0
time of discovery or invention1996
parity+

decay modeintensity
α (α emission)100%

167Pt

mass number167
neutron number89
relative atomic mass
166,99275 ± 0,000329 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
915 ± 123 us
Спин7/2
nuclear quadrupole moment
time of discovery or invention1996
parity-

decay modeintensity
α (α emission)100%

168Pt

mass number168
neutron number90
relative atomic mass
167,988180196 ± 0,00016096 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
2,02 ± 0,1 ms
Спин0
nuclear quadrupole moment
0
time of discovery or invention1981
parity+

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

169Pt

mass number169
neutron number91
relative atomic mass
168,986619 ± 0,000215 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
6,99 ± 0,09 ms
Спин7/2
nuclear quadrupole moment
time of discovery or invention1981
parity-

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

170Pt

mass number170
neutron number92
relative atomic mass
169,982502087 ± 0,000019588 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
13,93 ± 0,16 ms
Спин0
nuclear quadrupole moment
0
time of discovery or invention1981
parity+

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

171Pt

mass number171
neutron number93
relative atomic mass
170,981248868 ± 0,000086904 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
45,5 ± 2,5 ms
Спин7/2
nuclear quadrupole moment
time of discovery or invention1981
parity-

decay modeintensity
α (α emission)86%
β+ (β+ decay; β+ = ϵ + e+)

172Pt

mass number172
neutron number94
relative atomic mass
171,977341059 ± 0,000011139 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
97,6 ± 1,3 ms
Спин0
nuclear quadrupole moment
0
time of discovery or invention1981
parity+

decay modeintensity
α (α emission)96%
β+ (β+ decay; β+ = ϵ + e+)

173Pt

mass number173
neutron number95
relative atomic mass
172,976449922 ± 0,000068096 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
382 ± 2 ms
Спин5/2
nuclear quadrupole moment
time of discovery or invention1966
parity-

decay modeintensity
α (α emission)86%
β+ (β+ decay; β+ = ϵ + e+)

174Pt

mass number174
neutron number96
relative atomic mass
173,972820431 ± 0,000011098 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
862 ± 8 ms
Спин0
nuclear quadrupole moment
0
time of discovery or invention1966
parity+

decay modeintensity
α (α emission)74.9%
β+ (β+ decay; β+ = ϵ + e+)

175Pt

mass number175
neutron number97
relative atomic mass
174,972400593 ± 0,000019982 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
2,43 ± 0,04 s
Спин7/2
nuclear quadrupole moment
time of discovery or invention1966
parity-

decay modeintensity
α (α emission)64%
β+ (β+ decay; β+ = ϵ + e+)

176Pt

mass number176
neutron number98
relative atomic mass
175,968938162 ± 0,000013647 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
6,33 ± 0,15 s
Спин0
nuclear quadrupole moment
0
time of discovery or invention1966
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)40%

177Pt

mass number177
neutron number99
relative atomic mass
176,968469541 ± 0,00001609 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
10 ± 0,4 s
Спин5/2
nuclear quadrupole moment
time of discovery or invention1966
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)94.3%
α (α emission)5.7%

178Pt

mass number178
neutron number100
relative atomic mass
177,965649288 ± 0,000010878 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
20,7 ± 0,7 s
Спин0
nuclear quadrupole moment
0
time of discovery or invention1966
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)92.3%
α (α emission)7.7%

179Pt

mass number179
neutron number101
relative atomic mass
178,965358742 ± 0,000008563 Da
g-factor
0,86 ± 0,06
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
21,2 ± 0,4 s
Спин1/2
nuclear quadrupole moment
0
time of discovery or invention1966
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.24%

180Pt

mass number180
neutron number102
relative atomic mass
179,96303801 ± 0,00001079 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
56 ± 3 s
Спин0
nuclear quadrupole moment
0
time of discovery or invention1966
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.48%
α (α emission)0.52%

181Pt

mass number181
neutron number103
relative atomic mass
180,963089946 ± 0,000014695 Da
g-factor
0,96 ± 0,04
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
52 ± 2,2 s
Спин1/2
nuclear quadrupole moment
0
time of discovery or invention1966
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.074%

182Pt

mass number182
neutron number104
relative atomic mass
181,961171605 ± 0,000014057 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
2,67 ± 0,12 m
Спин0
nuclear quadrupole moment
0
time of discovery or invention1963
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)0.962%
α (α emission)0.038%

183Pt

mass number183
neutron number105
relative atomic mass
182,961595895 ± 0,000015261 Da
g-factor
1 ± 0,01
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
6,5 ± 1 m
Спин1/2
nuclear quadrupole moment
0
time of discovery or invention1963
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.0096%

184Pt

mass number184
neutron number106
relative atomic mass
183,959921929 ± 0,000015828 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
17,3 ± 0,2 m
Спин0
nuclear quadrupole moment
0
time of discovery or invention1963
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.0017%

185Pt

mass number185
neutron number107
relative atomic mass
184,960613659 ± 0,000027731 Da
g-factor
-0,16 ± 0,0024444444444444
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
70,9 ± 2,4 m
Спин9/2
nuclear quadrupole moment
time of discovery or invention1960
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.005%

186Pt

mass number186
neutron number108
relative atomic mass
185,959350845 ± 0,000023344 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
2,08 ± 0,05 h
Спин0
nuclear quadrupole moment
0
time of discovery or invention1961
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)1.4%

187Pt

mass number187
neutron number109
relative atomic mass
186,960616646 ± 0,000025837 Da
g-factor
-0,26466666666667 ± 0,0053333333333333
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
2,35 ± 0,03 h
Спин3/2
nuclear quadrupole moment
time of discovery or invention1961
parity-

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

188Pt

mass number188
neutron number110
relative atomic mass
187,959397521 ± 0,000005694 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
10,16 ± 0,18 d
Спин0
nuclear quadrupole moment
0
time of discovery or invention1954
parity+

decay modeintensity
ϵ (electron capture)100%
α (α emission)2.6%

189Pt

mass number189
neutron number111
relative atomic mass
188,960848485 ± 0,000010832 Da
g-factor
-0,292 ± 0,0053333333333333
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
10,87 ± 0,12 h
Спин3/2
nuclear quadrupole moment
time of discovery or invention1955
parity-

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

190Pt

mass number190
neutron number112
relative atomic mass
189,959949823 ± 0,000000705 Da
g-factor
0
natural abundance
0,012 ± 0,002
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
483 ± 3 Gy
Спин0
nuclear quadrupole moment
0
time of discovery or invention1949
parity+

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

191Pt

mass number191
neutron number113
relative atomic mass
190,961676261 ± 0,00000443 Da
g-factor
-0,33266666666667 ± 0,0033333333333333
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
2,83 ± 0,02 d
Спин3/2
nuclear quadrupole moment
time of discovery or invention1948
parity-

decay modeintensity
ϵ (electron capture)100%

192Pt

mass number192
neutron number114
relative atomic mass
191,961042667 ± 0,000002758 Da
g-factor
0
natural abundance
0,782 ± 0,024
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин0
nuclear quadrupole moment
0
time of discovery or invention1935
parity+

decay modeintensity
α (α emission)

193Pt

mass number193
neutron number115
relative atomic mass
192,962984546 ± 0,000001458 Da
g-factor
1,202 ± 0,016
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
50 ± 6 y
Спин1/2
nuclear quadrupole moment
0
time of discovery or invention1948
parity-

decay modeintensity
ϵ (electron capture)100%

194Pt

mass number194
neutron number116
relative atomic mass
193,962683498 ± 0,000000532 Da
g-factor
0
natural abundance
32,864 ± 0,41
Радиоактивдүүлүкstable isotope
half-lifeNot Radioactive ☢️
Спин0
nuclear quadrupole moment
0
time of discovery or invention1935
parity+

195Pt

mass number195
neutron number117
relative atomic mass
194,964794325 ± 0,00000054 Da
g-factor
natural abundance
33,775 ± 0,24
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин1/2
nuclear quadrupole moment
0
time of discovery or invention1935
parity-

decay modeintensity
α (α emission)

196Pt

mass number196
neutron number118
relative atomic mass
195,964954648 ± 0,000000547 Da
g-factor
0
natural abundance
25,211 ± 0,34
Радиоактивдүүлүкstable isotope
half-lifeNot Radioactive ☢️
Спин0
nuclear quadrupole moment
0
time of discovery or invention1935
parity+

197Pt

mass number197
neutron number119
relative atomic mass
196,96734303 ± 0,000000575 Da
g-factor
1,02 ± 0,04
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
19,8915 ± 0,0019 h
Спин1/2
nuclear quadrupole moment
0
time of discovery or invention1936
parity-

decay modeintensity
β (β decay)100%

198Pt

mass number198
neutron number120
relative atomic mass
197,967896718 ± 0,000002254 Da
g-factor
0
natural abundance
7,356 ± 0,13
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин0
nuclear quadrupole moment
0
time of discovery or invention1935
parity+

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

199Pt

mass number199
neutron number121
relative atomic mass
198,970597022 ± 0,000002317 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
30,8 ± 0,21 m
Спин5/2
nuclear quadrupole moment
time of discovery or invention1937
parity-

decay modeintensity
β (β decay)100%

200Pt

mass number200
neutron number122
relative atomic mass
199,971444609 ± 0,000021588 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
12,6 ± 0,3 h
Спин0
nuclear quadrupole moment
0
time of discovery or invention1957
parity+

decay modeintensity
β (β decay)100%

201Pt

mass number201
neutron number123
relative atomic mass
200,974513305 ± 0,000053788 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
2,5 ± 0,1 m
Спин5/2
nuclear quadrupole moment
time of discovery or invention1962
parity-

decay modeintensity
β (β decay)100%

202Pt

mass number202
neutron number124
relative atomic mass
201,975639 ± 0,000027 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
44 ± 15 h
Спин0
nuclear quadrupole moment
0
time of discovery or invention1992
parity+

decay modeintensity
β (β decay)100%

203Pt

mass number203
neutron number125
relative atomic mass
202,979055 ± 0,000215 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
22 ± 4 s
Спин1/2
nuclear quadrupole moment
0
time of discovery or invention2008
parity-

decay modeintensity
β (β decay)100%

204Pt

mass number204
neutron number126
relative atomic mass
203,981084 ± 0,000215 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
10,3 ± 1,4 s
Спин0
nuclear quadrupole moment
0
time of discovery or invention2008
parity+

decay modeintensity
β (β decay)100%

205Pt

mass number205
neutron number127
relative atomic mass
204,986237 ± 0,000322 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин9/2
nuclear quadrupole moment
time of discovery or invention2009
parity+

decay modeintensity
β (β decay)

206Pt

mass number206
neutron number128
relative atomic mass
205,99008 ± 0,000322 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин0
nuclear quadrupole moment
0
time of discovery or invention2012
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)

207Pt

mass number207
neutron number129
relative atomic mass
206,995556 ± 0,000429 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин9/2
nuclear quadrupole moment
time of discovery or invention2012
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)

208Pt

mass number208
neutron number130
relative atomic mass
207,999463 ± 0,000429 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин0
nuclear quadrupole moment
0
time of discovery or invention2012
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Platinum crystals

тарых

discoverer or inventorJulius Scaliger
location of discoveryItaly
time of discovery or invention1735
ЭтимологияSpanish: platina (little silver).
pronunciationPLAT-n-em (англисче)

source

Abundance
Abundance in Earth's crust
0,005 mg/kg
natural abundance (Океан)
natural abundance (human body)
natural abundance (meteoroid)
0,000098 %
natural abundance (Күн)
0,0000009 %
Abundance in Universe
0,0000005 %

Nuclear Screening Constants

1s1.506
2p4.4746
2s20.3702
3d13.5027
3p22.1139
3s23.0157
4d37.37
4f38.494
4p35.2696
4s34.3612
5d58.5925
5p53.5805
5s51.412
6s67.2486