Platí (Pt)

chemical element with symbol Pt and atomic number 78

Atomic Number	78
Atomic Weight	195.084
Rhif màs	195

Group	10
Period	6
Block	d

Proton	78 p⁺
Niwtron	117 n⁰
Electron	78 e^-

Nodwedd Ffisegol

Atomic Radius	135 pm 230 pm
molar volume	9.1 cm³/mol
covalent radius	123 pm 112 pm 110 pm 136 pm
Metallic Radius	130 pm 139 pm
ionic radius	60 pm 80 pm 62.5 pm 57 pm
Crystal Radius	74 pm 94 pm 76.5 pm 71 pm
Van der Waals radius	205 pm 213 pm 239 pm 275.4 pm
density	21.5 g/cm³ 19,770 kg/m³

Nodwedd Gemegol

{ERROR}

egni

proton affinity
electron affinity	2.128 eV/particle
ionization energy	8.95883 eV/particle 18.56 eV/particle 29 eV/particle 43 eV/particle 56 eV/particle 75 eV/particle 91 eV/particle 109 eV/particle 126 eV/particle 144.9 eV/particle 220.4 eV/particle 245 eV/particle 269 eV/particle 293 eV/particle 332 eV/particle 358 eV/particle 392 eV/particle 445 eV/particle 479 eV/particle 507 eV/particle 550 eV/particle 610 eV/particle 660 eV/particle 710 eV/particle 760 eV/particle 820 eV/particle 870 eV/particle 930 eV/particle 980 eV/particle 1,040 eV/particle 1,090 eV/particle 1,140 eV/particle 1,402 eV/particle 1,454 eV/particle 1,509 eV/particle 1,567 eV/particle 1,624 eV/particle 1,680 eV/particle 1,763 eV/particle 1,821 eV/particle 1,883 eV/particle 1,941 eV/particle 2,171 eV/particle 2,228 eV/particle 2,291 eV/particle 2,350 eV/particle 2,536 eV/particle 2,603 eV/particle 2,762 eV/particle 2,827.8 eV/particle 4,715 eV/particle 4,839 eV/particle 4,980 eV/particle 5,128 eV/particle 5,270 eV/particle 5,410 eV/particle 5,654 eV/particle 5,800 eV/particle 5,959 eV/particle 6,106 eV/particle 6,517 eV/particle 6,646 eV/particle 6,787 eV/particle 6,918 eV/particle 7,512 eV/particle 7,660 eV/particle 7,960 eV/particle 8,100 eV/particle 17,540 eV/particle 17,890 eV/particle 18,280 eV/particle 18,630 eV/particle 20,840 eV/particle 21,280 eV/particle 21,840 eV/particle 22,205.7 eV/particle 88,955.17 eV/particle 90,660 eV/particle

enthalpy of vaporization	470 kJ/mol
enthalpy of fusion	21.76 kJ/mol
standard enthalpy of formation	565.7 kJ/mol
Electron

plisgyn yr electron	2, 8, 18, 32, 17, 1

valence electron	1 ⓘ

trefn yr electronnau	[Xe] 4f¹⁴ 5d⁹ 6s¹ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 5d⁹ 6s¹

Cyflwr ocsidiad	-3, -2, -1, 0, 1, 2, 3, 4, 5, 6
Electronegatifedd	10.16 eV/particle 0.25691 2.2
Electrophilicity Index	2.249320350691278 eV/particle
cyflwr sylfaenol mater

cyflwr mater
gaseous state of matter
Boiling Point	4,098.15 K
Melting Point	2,041.35 K
critical pressure
critical temperature
triple point
appearance
lliw	Black #ff1493 #d0d0e0 #d0d0e0
appearance	silvery white
Mynegrif plygiant
nodwedd ffisegol gwrthrych
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
type	Conductor
dargludedd trydanol	9.4 MS/m
Gwrthedd	0.00000011 Ω*m
superconductivity
magnetism
type	paramagnetic
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
strwythur
Crystal Structure	{ERROR}
lattice constant	3.92 Å
Lattice Angles	π/2, π/2, π/2
nodwedd mecanyddol deunyddiau
hardness	392 MPa 3.5 MPa 549 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
Category	Actinides, Transition metals
CAS Group	VIIIA
IUPAC Group	VIII
Glawe Number	64
Mendeleev Number	69
Pettifor Number	68
Geochemical Class	noble metal
Goldschmidt classification	siderophile

other

Gas Basicity
polarizability	48 ± 4 a₀
C6 Dispersion Coefficient	470 a₀
allotrope
Neutron cross section	10
Neutron Mass Absorption	0.002
quantum number	3D3
space group	225 (Fm_3m)

Isotopes of Platinum

Stable Isotopes	2
Unstable Isotopes	42
Natural Isotopes	6

¹⁶⁵Pt

Rhif màs	165
neutron number	87
Relative Atomic Mass	164.999658 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	370 ± 180 us
spin	7/2
nuclear quadrupole moment
dyddiad darganfod	2019
parity	-

decay mode	intensity
α (α emission)	100%

¹⁶⁶Pt

Rhif màs	166
neutron number	88
Relative Atomic Mass	165.994866 ± 0.000322 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	294 ± 62 us
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1996
parity	+

decay mode	intensity
α (α emission)	100%

¹⁶⁷Pt

Rhif màs	167
neutron number	89
Relative Atomic Mass	166.99275 ± 0.000329 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	915 ± 123 us
spin	7/2
nuclear quadrupole moment
dyddiad darganfod	1996
parity	-

decay mode	intensity
α (α emission)	100%

¹⁶⁸Pt

Rhif màs	168
neutron number	90
Relative Atomic Mass	167.988180196 ± 0.00016096 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.02 ± 0.1 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1981
parity	+

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

¹⁶⁹Pt

Rhif màs	169
neutron number	91
Relative Atomic Mass	168.986619 ± 0.000215 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	6.99 ± 0.09 ms
spin	7/2
nuclear quadrupole moment
dyddiad darganfod	1981
parity	-

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

¹⁷⁰Pt

Rhif màs	170
neutron number	92
Relative Atomic Mass	169.982502087 ± 0.000019588 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	13.93 ± 0.16 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1981
parity	+

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

¹⁷¹Pt

Rhif màs	171
neutron number	93
Relative Atomic Mass	170.981248868 ± 0.000086904 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	45.5 ± 2.5 ms
spin	7/2
nuclear quadrupole moment
dyddiad darganfod	1981
parity	-

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

¹⁷²Pt

Rhif màs	172
neutron number	94
Relative Atomic Mass	171.977341059 ± 0.000011139 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	97.6 ± 1.3 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1981
parity	+

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

¹⁷³Pt

Rhif màs	173
neutron number	95
Relative Atomic Mass	172.976449922 ± 0.000068096 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	382 ± 2 ms
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	1966
parity	-

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

¹⁷⁴Pt

Rhif màs	174
neutron number	96
Relative Atomic Mass	173.972820431 ± 0.000011098 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	862 ± 8 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1966
parity	+

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

¹⁷⁵Pt

Rhif màs	175
neutron number	97
Relative Atomic Mass	174.972400593 ± 0.000019982 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.43 ± 0.04 s
spin	7/2
nuclear quadrupole moment
dyddiad darganfod	1966
parity	-

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

¹⁷⁶Pt

Rhif màs	176
neutron number	98
Relative Atomic Mass	175.968938162 ± 0.000013647 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	6.33 ± 0.15 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1966
parity	+

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

¹⁷⁷Pt

Rhif màs	177
neutron number	99
Relative Atomic Mass	176.968469541 ± 0.00001609 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	10 ± 0.4 s
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	1966
parity	-

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

¹⁷⁸Pt

Rhif màs	178
neutron number	100
Relative Atomic Mass	177.965649288 ± 0.000010878 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	20.7 ± 0.7 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1966
parity	+

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

¹⁷⁹Pt

Rhif màs	179
neutron number	101
Relative Atomic Mass	178.965358742 ± 0.000008563 Da
g-factor	0.86 ± 0.06
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	21.2 ± 0.4 s
spin	1/2
nuclear quadrupole moment	0
dyddiad darganfod	1966
parity	-

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

¹⁸⁰Pt

Rhif màs	180
neutron number	102
Relative Atomic Mass	179.96303801 ± 0.00001079 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	56 ± 3 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1966
parity	+

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

¹⁸¹Pt

Rhif màs	181
neutron number	103
Relative Atomic Mass	180.963089946 ± 0.000014695 Da
g-factor	0.96 ± 0.04
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	52 ± 2.2 s
spin	1/2
nuclear quadrupole moment	0
dyddiad darganfod	1966
parity	-

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

¹⁸²Pt

Rhif màs	182
neutron number	104
Relative Atomic Mass	181.961171605 ± 0.000014057 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.67 ± 0.12 m
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1963
parity	+

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

¹⁸³Pt

Rhif màs	183
neutron number	105
Relative Atomic Mass	182.961595895 ± 0.000015261 Da
g-factor	1 ± 0.01
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	6.5 ± 1 m
spin	1/2
nuclear quadrupole moment	0
dyddiad darganfod	1963
parity	-

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

¹⁸⁴Pt

Rhif màs	184
neutron number	106
Relative Atomic Mass	183.959921929 ± 0.000015828 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	17.3 ± 0.2 m
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1963
parity	+

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

¹⁸⁵Pt

Rhif màs	185
neutron number	107
Relative Atomic Mass	184.960613659 ± 0.000027731 Da
g-factor	-0.16 ± 0.0024444444444444
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	70.9 ± 2.4 m
spin	9/2
nuclear quadrupole moment
dyddiad darganfod	1960
parity	+

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

¹⁸⁶Pt

Rhif màs	186
neutron number	108
Relative Atomic Mass	185.959350845 ± 0.000023344 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.08 ± 0.05 h
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1961
parity	+

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

¹⁸⁷Pt

Rhif màs	187
neutron number	109
Relative Atomic Mass	186.960616646 ± 0.000025837 Da
g-factor	-0.26466666666667 ± 0.0053333333333333
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.35 ± 0.03 h
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1961
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸⁸Pt

Rhif màs	188
neutron number	110
Relative Atomic Mass	187.959397521 ± 0.000005694 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	10.16 ± 0.18 d
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1954
parity	+

decay mode	intensity
ϵ (electron capture)	100%
α (α emission)	2.6%

¹⁸⁹Pt

Rhif màs	189
neutron number	111
Relative Atomic Mass	188.960848485 ± 0.000010832 Da
g-factor	-0.292 ± 0.0053333333333333
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	10.87 ± 0.12 h
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1955
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁹⁰Pt

Rhif màs	190
neutron number	112
Relative Atomic Mass	189.959949823 ± 0.000000705 Da
g-factor	0
natural abundance	0.012 ± 0.002
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	483 ± 3 Gy
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1949
parity	+

decay mode	intensity
α (α emission)	100%
2β⁺ (double β⁺ decay)

¹⁹¹Pt

Rhif màs	191
neutron number	113
Relative Atomic Mass	190.961676261 ± 0.00000443 Da
g-factor	-0.33266666666667 ± 0.0033333333333333
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.83 ± 0.02 d
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1948
parity	-

decay mode	intensity
ϵ (electron capture)	100%

¹⁹²Pt

Rhif màs	192
neutron number	114
Relative Atomic Mass	191.961042667 ± 0.000002758 Da
g-factor	0
natural abundance	0.782 ± 0.024
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1935
parity	+

decay mode	intensity
α (α emission)

¹⁹³Pt

Rhif màs	193
neutron number	115
Relative Atomic Mass	192.962984546 ± 0.000001458 Da
g-factor	1.202 ± 0.016
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	50 ± 6 y
spin	1/2
nuclear quadrupole moment	0
dyddiad darganfod	1948
parity	-

decay mode	intensity
ϵ (electron capture)	100%

¹⁹⁴Pt

Rhif màs	194
neutron number	116
Relative Atomic Mass	193.962683498 ± 0.000000532 Da
g-factor	0
natural abundance	32.864 ± 0.41
Dadfeilio ymbelydrol	stable isotope
Hanner oes	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1935
parity	+

¹⁹⁵Pt

Rhif màs	195
neutron number	117
Relative Atomic Mass	194.964794325 ± 0.00000054 Da
g-factor
natural abundance	33.775 ± 0.24
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	1/2
nuclear quadrupole moment	0
dyddiad darganfod	1935
parity	-

decay mode	intensity
α (α emission)

¹⁹⁶Pt

Rhif màs	196
neutron number	118
Relative Atomic Mass	195.964954648 ± 0.000000547 Da
g-factor	0
natural abundance	25.211 ± 0.34
Dadfeilio ymbelydrol	stable isotope
Hanner oes	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1935
parity	+

¹⁹⁷Pt

Rhif màs	197
neutron number	119
Relative Atomic Mass	196.96734303 ± 0.000000575 Da
g-factor	1.02 ± 0.04
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	19.8915 ± 0.0019 h
spin	1/2
nuclear quadrupole moment	0
dyddiad darganfod	1936
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁹⁸Pt

Rhif màs	198
neutron number	120
Relative Atomic Mass	197.967896718 ± 0.000002254 Da
g-factor	0
natural abundance	7.356 ± 0.13
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1935
parity	+

decay mode	intensity
2β⁻ (double β⁻ decay)
α (α emission)

¹⁹⁹Pt

Rhif màs	199
neutron number	121
Relative Atomic Mass	198.970597022 ± 0.000002317 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	30.8 ± 0.21 m
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	1937
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁰⁰Pt

Rhif màs	200
neutron number	122
Relative Atomic Mass	199.971444609 ± 0.000021588 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	12.6 ± 0.3 h
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1957
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁰¹Pt

Rhif màs	201
neutron number	123
Relative Atomic Mass	200.974513305 ± 0.000053788 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.5 ± 0.1 m
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	1962
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁰²Pt

Rhif màs	202
neutron number	124
Relative Atomic Mass	201.975639 ± 0.000027 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	44 ± 15 h
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1992
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁰³Pt

Rhif màs	203
neutron number	125
Relative Atomic Mass	202.979055 ± 0.000215 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	22 ± 4 s
spin	1/2
nuclear quadrupole moment	0
dyddiad darganfod	2008
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁰⁴Pt

Rhif màs	204
neutron number	126
Relative Atomic Mass	203.981084 ± 0.000215 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	10.3 ± 1.4 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2008
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁰⁵Pt

Rhif màs	205
neutron number	127
Relative Atomic Mass	204.986237 ± 0.000322 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	9/2
nuclear quadrupole moment
dyddiad darganfod	2009
parity	+

decay mode	intensity
β⁻ (β⁻ decay)

²⁰⁶Pt

Rhif màs	206
neutron number	128
Relative Atomic Mass	205.99008 ± 0.000322 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2012
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

²⁰⁷Pt

Rhif màs	207
neutron number	129
Relative Atomic Mass	206.995556 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	9/2
nuclear quadrupole moment
dyddiad darganfod	2012
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

²⁰⁸Pt

Rhif màs	208
neutron number	130
Relative Atomic Mass	207.999463 ± 0.000429 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2012
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

hanes

darganfyddwr neu ddyfeisiwr	Julius Scaliger
man darganfod	Italy
dyddiad darganfod	1735
geirdarddiad	Spanish: platina (little silver).
ynganiad	PLAT-n-em (Saesneg)

source

Abundance
Abundance in Earth's crust	0.005 mg/kg
natural abundance (cefnfor)
natural abundance (corff dynol)
natural abundance (Awyrfaen)	0.000098 %
natural abundance (Haul)	0.0000009 %
Abundance in Universe	0.0000005 %

Nuclear Screening Constants

1	s	1.506
2	p	4.4746
2	s	20.3702
3	d	13.5027
3	p	22.1139
3	s	23.0157
4	d	37.37
4	f	38.494
4	p	35.2696
4	s	34.3612
5	d	58.5925
5	p	53.5805
5	s	51.412
6	s	67.2486

Platí on ChemicalAid

Platí (Pt)

Nodwedd Ffisegol

Nodwedd Gemegol

other

Isotopes of Platinum

165Pt

166Pt

167Pt

168Pt

169Pt

170Pt

171Pt

172Pt

173Pt

174Pt

175Pt

176Pt

177Pt

178Pt

179Pt

180Pt

181Pt

182Pt

183Pt

184Pt

185Pt

186Pt

187Pt

188Pt

189Pt

190Pt

191Pt

192Pt

193Pt

194Pt

195Pt

196Pt

197Pt

198Pt

199Pt

200Pt

201Pt

202Pt

203Pt

204Pt

205Pt

206Pt

207Pt

208Pt

hanes

source

Nuclear Screening Constants

¹⁶⁵Pt

¹⁶⁶Pt

¹⁶⁷Pt

¹⁶⁸Pt

¹⁶⁹Pt

¹⁷⁰Pt

¹⁷¹Pt

¹⁷²Pt

¹⁷³Pt

¹⁷⁴Pt

¹⁷⁵Pt

¹⁷⁶Pt

¹⁷⁷Pt

¹⁷⁸Pt

¹⁷⁹Pt

¹⁸⁰Pt

¹⁸¹Pt

¹⁸²Pt

¹⁸³Pt

¹⁸⁴Pt

¹⁸⁵Pt

¹⁸⁶Pt

¹⁸⁷Pt

¹⁸⁸Pt

¹⁸⁹Pt

¹⁹⁰Pt

¹⁹¹Pt

¹⁹²Pt

¹⁹³Pt

¹⁹⁴Pt

¹⁹⁵Pt

¹⁹⁶Pt

¹⁹⁷Pt

¹⁹⁸Pt

¹⁹⁹Pt

²⁰⁰Pt

²⁰¹Pt

²⁰²Pt

²⁰³Pt

²⁰⁴Pt

²⁰⁵Pt

²⁰⁶Pt

²⁰⁷Pt

²⁰⁸Pt