Plutoni

Plutoni (Pu)

radioactive chemical element with the atomic number of 94 and symbol Pu
Atomic Number94
Atomic Weight244
Rhif màs221
Group
Period7
Blockf
Proton94 p+
Niwtron127 n0
Electron94 e-
Animated Bohr model of Pu (Plutoni)

Nodwedd Ffisegol

Atomic Radius
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Plutoni0102030405060708090100110120130140150160170180190200210220230240250pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Nodwedd Gemegol

egni
proton affinity
electron affinity
ionization energy
ionization energy of Pu (Plutoni)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Electron
plisgyn yr electron2, 8, 18, 32, 24, 8, 2
Bohr model: Pu (Plutoni)
valence electron2
Lewis structure: Pu (Plutoni)
trefn yr electronnau[Rn] 5f6 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f6 7s2
Enhanced Bohr model of Pu (Plutoni)
Orbital Diagram of Pu (Plutoni)
Cyflwr ocsidiad2, 3, 4, 5, 6, 7, 8
Electronegatifedd
1.3
Electrophilicity Index
cyflwr sylfaenol mater
cyflwr materSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
lliw
Silver
appearancesilvery white, tarnishing to dark gray in air
Mynegrif plygiant
nodwedd ffisegol gwrthrych
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
dargludedd trydanol
Gwrthedd
superconductivity
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0.0000000317 m³/Kg
magnetic susceptibility (Molar)
0.000000007735 m³/mol
magnetic susceptibility (Volume)
0.0006282
magnetic ordering
Curie temperature
Néel temperature
strwythur
Crystal StructureSimple Monoclinic (MCL)
lattice constant
Lattice Anglesπ/2, 1.776571, π/2
nodwedd mecanyddol deunyddiau
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
0.21
speed of sound
classification
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number38
Mendeleev Number24
Pettifor Number43
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
1.7
Neutron Mass Absorption
quantum number7F0
space group11 (P121/m1)

Isotopes of Plutonium

Stable Isotopes0
Unstable Isotopes27
Natural Isotopes0

221Pu

Rhif màs221
neutron number127
Relative Atomic Mass
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin9/2
nuclear quadrupole moment
dyddiad darganfod
parity+

decay modeintensity
α (α emission)
SF (spontaneous fission)

222Pu

Rhif màs222
neutron number128
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod
parity+

decay modeintensity
α (α emission)
SF (spontaneous fission)

223Pu

Rhif màs223
neutron number129
Relative Atomic Mass
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin9/2
nuclear quadrupole moment
dyddiad darganfod
parity+

decay modeintensity
α (α emission)
SF (spontaneous fission)

224Pu

Rhif màs224
neutron number130
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod
parity+

decay modeintensity
α (α emission)
SF (spontaneous fission)

225Pu

Rhif màs225
neutron number131
Relative Atomic Mass
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin7/2
nuclear quadrupole moment
dyddiad darganfod
parity+

decay modeintensity
α (α emission)
SF (spontaneous fission)

226Pu

Rhif màs226
neutron number132
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod
parity+

decay modeintensity
α (α emission)
SF (spontaneous fission)

227Pu

Rhif màs227
neutron number133
Relative Atomic Mass
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin5/2
nuclear quadrupole moment
dyddiad darganfod
parity+

decay modeintensity
α (α emission)

228Pu

Rhif màs228
neutron number134
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.1 ± 1.3 s
spin0
nuclear quadrupole moment
0
dyddiad darganfod1994
parity+

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

229Pu

Rhif màs229
neutron number135
Relative Atomic Mass
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
91 ± 26 s
spin3/2
nuclear quadrupole moment
dyddiad darganfod1994
parity+

decay modeintensity
α (α emission)50%
β+ (β+ decay; β+ = ϵ + e+)50%
SF (spontaneous fission)7%

230Pu

Rhif màs230
neutron number136
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
105 ± 10 s
spin0
nuclear quadrupole moment
0
dyddiad darganfod1990
parity+

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

231Pu

Rhif màs231
neutron number137
Relative Atomic Mass
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
8.6 ± 0.5 m
spin3/2
nuclear quadrupole moment
dyddiad darganfod1999
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)13%

232Pu

Rhif màs232
neutron number138
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
33.7 ± 0.5 m
spin0
nuclear quadrupole moment
0
dyddiad darganfod1973
parity+

decay modeintensity
ϵ (electron capture)
α (α emission)20%

233Pu

Rhif màs233
neutron number139
Relative Atomic Mass
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
20.9 ± 0.4 m
spin5/2
nuclear quadrupole moment
dyddiad darganfod1957
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.12%

234Pu

Rhif màs234
neutron number140
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
8.8 ± 0.1 h
spin0
nuclear quadrupole moment
0
dyddiad darganfod1949
parity+

decay modeintensity
ϵ (electron capture)94%
α (α emission)6%

235Pu

Rhif màs235
neutron number141
Relative Atomic Mass
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
25.3 ± 0.5 m
spin5/2
nuclear quadrupole moment
dyddiad darganfod1957
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.9972%
α (α emission)0.0028%

236Pu

Rhif màs236
neutron number142
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.858 ± 0.008 y
spin0
nuclear quadrupole moment
0
dyddiad darganfod1949
parity+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)1.9%
28Mg2%
+ (double β+ decay)

237Pu

Rhif màs237
neutron number143
Relative Atomic Mass
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
45.64 ± 0.04 d
spin7/2
nuclear quadrupole moment
dyddiad darganfod1949
parity-

decay modeintensity
ϵ (electron capture)99.9958%
α (α emission)0.0042%

238Pu

Rhif màs238
neutron number144
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
87.7 ± 0.1 y
spin0
nuclear quadrupole moment
0
dyddiad darganfod1949
parity+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)1.9%
32Si1.4%
30Mg6%

239Pu

Rhif màs239
neutron number145
Relative Atomic Mass
g-factor
0.404 ± 0.008
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
24.11 ± 0.03 ky
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1946
parity+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)3.1%

240Pu

Rhif màs240
neutron number146
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
6.561 ± 0.007 ky
spin0
nuclear quadrupole moment
0
dyddiad darganfod1949
parity+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)5.796%
34Si1.3%

241Pu

Rhif màs241
neutron number147
Relative Atomic Mass
g-factor
-0.2712 ± 0.0056
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
14.329 ± 0.029 y
spin5/2
nuclear quadrupole moment
6
dyddiad darganfod1949
parity+

decay modeintensity
β (β decay)100%
α (α emission)0.00245%
SF (spontaneous fission)2.4%

242Pu

Rhif màs242
neutron number148
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
375 ± 2 ky
spin0
nuclear quadrupole moment
0
dyddiad darganfod1950
parity+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)5.51%

243Pu

Rhif màs243
neutron number149
Relative Atomic Mass
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
4.9553 ± 0.0025 h
spin7/2
nuclear quadrupole moment
dyddiad darganfod1951
parity+

decay modeintensity
β (β decay)100%

244Pu

Rhif màs244
neutron number150
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
81.3 ± 0.3 My
spin0
nuclear quadrupole moment
0
dyddiad darganfod1954
parity+

decay modeintensity
α (α emission)99.877%
SF (spontaneous fission)0.123%
(double β decay)7.3%

245Pu

Rhif màs245
neutron number151
Relative Atomic Mass
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
10.5 ± 0.1 h
spin9/2
nuclear quadrupole moment
dyddiad darganfod1955
parity-

decay modeintensity
β (β decay)100%

246Pu

Rhif màs246
neutron number152
Relative Atomic Mass
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
10.84 ± 0.02 d
spin0
nuclear quadrupole moment
0
dyddiad darganfod1955
parity+

decay modeintensity
β (β decay)100%

247Pu

Rhif màs247
neutron number153
Relative Atomic Mass
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.27 ± 0.23 d
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1983
parity+

decay modeintensity
β (β decay)100%
Plutonium ring

hanes

darganfyddwr neu ddyfeisiwrG.T.Seaborg, J.W.Kennedy, E.M.McMillan, A.C.Wohl
man darganfodUnited States
dyddiad darganfod1940
geirdarddiadNamed for the planet Pluto.
ynganiadploo-TOE-ni-em (Saesneg)

source

Abundance
Abundance in Earth's crust
natural abundance (cefnfor)
natural abundance (corff dynol)
0 %
natural abundance (Awyrfaen)
0 %
natural abundance (Haul)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants