Platina

Platina (Pt)

chemical element with symbol Pt and atomic number 78
Atomski broj78
Relativna atomska masa195.084
Maseni broj195
Skupina10
Perioda6
Blokd
proton78 p+
neutron117 n0
elektron78 e-
Animated Bohrov model atoma of Pt (Platina)

Physical Property

Atomski Radijus
135 pm
Molni volumen
Kovalentni Radijus
123 pm
Metallic Radius
130 pm
Ionski radijus
60 pm
Crystal Radius
74 pm
Van der Waals radius
213 pm
gustoća
21,5 g/cm³
Atomic Radii Of The Elements: Platina0102030405060708090100110120130140150160170180190200210220pmAtomski RadijusKovalentni RadijusMetallic RadiusVan der Waals radius

Kemijsko Svojstvo

energija
proton affinity
Elektronski afinitet
ionization energy
8,95883 eV/particle
ionization energy of Pt (Platina)
Toplina isparivanja
470 kJ/mol
toplina taljenja
21,76 kJ/mol
standard enthalpy of formation
565,7 kJ/mol
elektron
Elektronska ljuska2, 8, 18, 32, 17, 1
Bohrov model atoma: Pt (Platina)
valence electron1
Lewis structure: Pt (Platina)
electron configuration[Xe] 4f14 5d9 6s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d9 6s1
Enhanced Bohrov model atoma of Pt (Platina)
Orbital Diagram of Pt (Platina)
Oksidacijski broj-3, -2, -1, 0, 1, 2, 3, 4, 5, 6
Elektronegativnost
2.2
Electrophilicity Index
2,249320350691278 eV/particle
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
4.098,15 K
Talište
2.041,35 K
critical pressure
critical temperature
Trojna točka
appearance
boja
Siva
appearancesilvery white
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
71,6 W/(m K)
Toplinsko istezanje
0,0000089 1/K
molar heat capacity
25,86 J/(mol K)
Specifični toplinski kapacitet
0,133 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
9,4 MS/m
Električna otpornost i provodnost
0,00000011 m Ω
Supravodljivost
Magnetizam
typeparamagnetic
Magnetna susceptibilnost (Mass)
0,0000000122 m³/Kg
Magnetna susceptibilnost (Molar)
0,00000000238 m³/mol
Magnetna susceptibilnost (Volume)
0,0002573
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna strukturaKubna plošno centrirana (FCC)
lattice constant
3,92 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Tvrdoća
3,5 MPa
bulk modulus
230 GPa
shear modulus
61 GPa
Youngov modul elastičnosti
168 GPa
Poissonov omjer
0,38
brzina zvuka
2.680 m/s
classification
KategorijaPrijelazni metali, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number64
Mendeleev Number69
Pettifor Number68
Geochemical Classnoble metal
Goldschmidt classificationsiderophile

other

Gas Basicity
polarizability
48 ± 4 a₀
C6 Dispersion Coefficient
allotrope
Nuklearni udarni presjek
10
Neutron Mass Absorption
0,002
Kvantni brojevi3D3
space group225 (Fm_3m)

Isotopes of Platinum

Stabilni izotopi2
Nestabilni izotopi42
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

Maseni broj165
neutron number87
Relativna atomska masa
164,999658 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
370 ± 180 us
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2019
Parnost-

decay modeintensity
α (α emission)100%

166Pt

Maseni broj166
neutron number88
Relativna atomska masa
165,994866 ± 0,000322 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
294 ± 62 us
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1996
Parnost+

decay modeintensity
α (α emission)100%

167Pt

Maseni broj167
neutron number89
Relativna atomska masa
166,99275 ± 0,000329 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
915 ± 123 us
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1996
Parnost-

decay modeintensity
α (α emission)100%

168Pt

Maseni broj168
neutron number90
Relativna atomska masa
167,988180196 ± 0,00016096 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,02 ± 0,1 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1981
Parnost+

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

169Pt

Maseni broj169
neutron number91
Relativna atomska masa
168,986619 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,99 ± 0,09 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1981
Parnost-

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

170Pt

Maseni broj170
neutron number92
Relativna atomska masa
169,982502087 ± 0,000019588 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
13,93 ± 0,16 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1981
Parnost+

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

171Pt

Maseni broj171
neutron number93
Relativna atomska masa
170,981248868 ± 0,000086904 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
45,5 ± 2,5 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1981
Parnost-

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

172Pt

Maseni broj172
neutron number94
Relativna atomska masa
171,977341059 ± 0,000011139 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
97,6 ± 1,3 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1981
Parnost+

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

173Pt

Maseni broj173
neutron number95
Relativna atomska masa
172,976449922 ± 0,000068096 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
382 ± 2 ms
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1966
Parnost-

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

174Pt

Maseni broj174
neutron number96
Relativna atomska masa
173,972820431 ± 0,000011098 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
862 ± 8 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1966
Parnost+

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

175Pt

Maseni broj175
neutron number97
Relativna atomska masa
174,972400593 ± 0,000019982 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,43 ± 0,04 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1966
Parnost-

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

176Pt

Maseni broj176
neutron number98
Relativna atomska masa
175,968938162 ± 0,000013647 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,33 ± 0,15 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1966
Parnost+

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

177Pt

Maseni broj177
neutron number99
Relativna atomska masa
176,968469541 ± 0,00001609 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10 ± 0,4 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1966
Parnost-

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

178Pt

Maseni broj178
neutron number100
Relativna atomska masa
177,965649288 ± 0,000010878 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
20,7 ± 0,7 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1966
Parnost+

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

179Pt

Maseni broj179
neutron number101
Relativna atomska masa
178,965358742 ± 0,000008563 Da
g-factor
0,86 ± 0,06
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21,2 ± 0,4 s
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1966
Parnost-

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

180Pt

Maseni broj180
neutron number102
Relativna atomska masa
179,96303801 ± 0,00001079 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
56 ± 3 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1966
Parnost+

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

181Pt

Maseni broj181
neutron number103
Relativna atomska masa
180,963089946 ± 0,000014695 Da
g-factor
0,96 ± 0,04
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
52 ± 2,2 s
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1966
Parnost-

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

182Pt

Maseni broj182
neutron number104
Relativna atomska masa
181,961171605 ± 0,000014057 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,67 ± 0,12 m
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1963
Parnost+

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

183Pt

Maseni broj183
neutron number105
Relativna atomska masa
182,961595895 ± 0,000015261 Da
g-factor
1 ± 0,01
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,5 ± 1 m
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1963
Parnost-

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

184Pt

Maseni broj184
neutron number106
Relativna atomska masa
183,959921929 ± 0,000015828 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
17,3 ± 0,2 m
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1963
Parnost+

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

185Pt

Maseni broj185
neutron number107
Relativna atomska masa
184,960613659 ± 0,000027731 Da
g-factor
−0,16 ± 0,0024444444444444
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
70,9 ± 2,4 m
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1960
Parnost+

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

186Pt

Maseni broj186
neutron number108
Relativna atomska masa
185,959350845 ± 0,000023344 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,08 ± 0,05 h
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1961
Parnost+

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

187Pt

Maseni broj187
neutron number109
Relativna atomska masa
186,960616646 ± 0,000025837 Da
g-factor
−0,26466666666667 ± 0,0053333333333333
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,35 ± 0,03 h
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1961
Parnost-

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

188Pt

Maseni broj188
neutron number110
Relativna atomska masa
187,959397521 ± 0,000005694 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,16 ± 0,18 d
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1954
Parnost+

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

189Pt

Maseni broj189
neutron number111
Relativna atomska masa
188,960848485 ± 0,000010832 Da
g-factor
−0,292 ± 0,0053333333333333
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,87 ± 0,12 h
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1955
Parnost-

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

190Pt

Maseni broj190
neutron number112
Relativna atomska masa
189,959949823 ± 0,000000705 Da
g-factor
0
natural abundance
0,012 ± 0,002
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
483 ± 3 Gy
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1949
Parnost+

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

191Pt

Maseni broj191
neutron number113
Relativna atomska masa
190,961676261 ± 0,00000443 Da
g-factor
−0,33266666666667 ± 0,0033333333333333
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,83 ± 0,02 d
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1948
Parnost-

decay modeintensity
ϵ (electron capture)100%

192Pt

Maseni broj192
neutron number114
Relativna atomska masa
191,961042667 ± 0,000002758 Da
g-factor
0
natural abundance
0,782 ± 0,024
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1935
Parnost+

decay modeintensity
α (α emission)

193Pt

Maseni broj193
neutron number115
Relativna atomska masa
192,962984546 ± 0,000001458 Da
g-factor
1,202 ± 0,016
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
50 ± 6 y
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1948
Parnost-

decay modeintensity
ϵ (electron capture)100%

194Pt

Maseni broj194
neutron number116
Relativna atomska masa
193,962683498 ± 0,000000532 Da
g-factor
0
natural abundance
32,864 ± 0,41
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1935
Parnost+

195Pt

Maseni broj195
neutron number117
Relativna atomska masa
194,964794325 ± 0,00000054 Da
g-factor
natural abundance
33,775 ± 0,24
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1935
Parnost-

decay modeintensity
α (α emission)

196Pt

Maseni broj196
neutron number118
Relativna atomska masa
195,964954648 ± 0,000000547 Da
g-factor
0
natural abundance
25,211 ± 0,34
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1935
Parnost+

197Pt

Maseni broj197
neutron number119
Relativna atomska masa
196,96734303 ± 0,000000575 Da
g-factor
1,02 ± 0,04
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
19,8915 ± 0,0019 h
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1936
Parnost-

decay modeintensity
β (β decay)100%

198Pt

Maseni broj198
neutron number120
Relativna atomska masa
197,967896718 ± 0,000002254 Da
g-factor
0
natural abundance
7,356 ± 0,13
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1935
Parnost+

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

199Pt

Maseni broj199
neutron number121
Relativna atomska masa
198,970597022 ± 0,000002317 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
30,8 ± 0,21 m
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1937
Parnost-

decay modeintensity
β (β decay)100%

200Pt

Maseni broj200
neutron number122
Relativna atomska masa
199,971444609 ± 0,000021588 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12,6 ± 0,3 h
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1957
Parnost+

decay modeintensity
β (β decay)100%

201Pt

Maseni broj201
neutron number123
Relativna atomska masa
200,974513305 ± 0,000053788 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,5 ± 0,1 m
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1962
Parnost-

decay modeintensity
β (β decay)100%

202Pt

Maseni broj202
neutron number124
Relativna atomska masa
201,975639 ± 0,000027 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
44 ± 15 h
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1992
Parnost+

decay modeintensity
β (β decay)100%

203Pt

Maseni broj203
neutron number125
Relativna atomska masa
202,979055 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
22 ± 4 s
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2008
Parnost-

decay modeintensity
β (β decay)100%

204Pt

Maseni broj204
neutron number126
Relativna atomska masa
203,981084 ± 0,000215 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,3 ± 1,4 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2008
Parnost+

decay modeintensity
β (β decay)100%

205Pt

Maseni broj205
neutron number127
Relativna atomska masa
204,986237 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2009
Parnost+

decay modeintensity
β (β decay)

206Pt

Maseni broj206
neutron number128
Relativna atomska masa
205,99008 ± 0,000322 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2012
Parnost+

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

207Pt

Maseni broj207
neutron number129
Relativna atomska masa
206,995556 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2012
Parnost+

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

208Pt

Maseni broj208
neutron number130
Relativna atomska masa
207,999463 ± 0,000429 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2012
Parnost+

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

povijest

otkrio/izumioJulius Scaliger
location of discoveryItaly
vrijeme otkrića ili izuma1735
EtimologijaSpanish: platina (little silver).
pronunciationPLAT-n-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
0,005 mg/kg
natural abundance (ocean)
natural abundance (tijelo)
natural abundance (meteoroid)
0,000098 %
natural abundance (Sunce)
0,0000009 %
Zastupljenost u svemiru
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