Plutonium

Plutonium (Pu)

radioactive chemical element with the atomic number of 94 and symbol Pu
Atomic Number94
Atomic Weight244
mass number221
Group
Period7
Blockf
proton94 p+
neutron127 n0
electron94 e-
Animated Bohr model of Pu (Plutonium)

Āhuatanga Ōkiko

Atomic Radius
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Plutonium0102030405060708090100110120130140150160170180190200210220230240250pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energy
proton affinity
electron affinity
ionization energy
ionization energy of Pu (Plutonium)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
electron
electron shell2, 8, 18, 32, 24, 8, 2
Bohr model: Pu (Plutonium)
valence electron2
Lewis structure: Pu (Plutonium)
electron configuration[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 (Plutonium)
Orbital Diagram of Pu (Plutonium)
oxidation number2, 3, 4, 5, 6, 7, 8
electronegativity
1.3
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
color
Silver
appearancesilvery white, tarnishing to dark gray in air
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
electrical resistivity
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
structure
Crystal StructureSimple Monoclinic (MCL)
lattice constant
Lattice Anglesπ/2, 1.776571, π/2
mechanical property
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

mass number221
neutron number127
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin9/2
nuclear quadrupole moment
time of discovery or invention
parity+

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

222Pu

mass number222
neutron number128
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention
parity+

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

223Pu

mass number223
neutron number129
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin9/2
nuclear quadrupole moment
time of discovery or invention
parity+

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

224Pu

mass number224
neutron number130
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention
parity+

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

225Pu

mass number225
neutron number131
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
time of discovery or invention
parity+

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

226Pu

mass number226
neutron number132
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention
parity+

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

227Pu

mass number227
neutron number133
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
time of discovery or invention
parity+

decay modeintensity
α (α emission)

228Pu

mass number228
neutron number134
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2.1 ± 1.3 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1994
parity+

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

229Pu

mass number229
neutron number135
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
91 ± 26 s
spin3/2
nuclear quadrupole moment
time of discovery or invention1994
parity+

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

230Pu

mass number230
neutron number136
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
105 ± 10 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1990
parity+

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

231Pu

mass number231
neutron number137
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8.6 ± 0.5 m
spin3/2
nuclear quadrupole moment
time of discovery or invention1999
parity+

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

232Pu

mass number232
neutron number138
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
33.7 ± 0.5 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1973
parity+

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

233Pu

mass number233
neutron number139
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
20.9 ± 0.4 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1957
parity+

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

234Pu

mass number234
neutron number140
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
8.8 ± 0.1 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1949
parity+

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

235Pu

mass number235
neutron number141
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
25.3 ± 0.5 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1957
parity+

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

236Pu

mass number236
neutron number142
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2.858 ± 0.008 y
spin0
nuclear quadrupole moment
0
time of discovery or invention1949
parity+

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

237Pu

mass number237
neutron number143
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
45.64 ± 0.04 d
spin7/2
nuclear quadrupole moment
time of discovery or invention1949
parity-

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

238Pu

mass number238
neutron number144
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
87.7 ± 0.1 y
spin0
nuclear quadrupole moment
0
time of discovery or invention1949
parity+

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

239Pu

mass number239
neutron number145
Relative Atomic Mass
g-factor
0.404 ± 0.008
natural abundance
radioactivity☢️ radioactive element
half-life
24.11 ± 0.03 ky
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1946
parity+

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

240Pu

mass number240
neutron number146
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
6.561 ± 0.007 ky
spin0
nuclear quadrupole moment
0
time of discovery or invention1949
parity+

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

241Pu

mass number241
neutron number147
Relative Atomic Mass
g-factor
-0.2712 ± 0.0056
natural abundance
radioactivity☢️ radioactive element
half-life
14.329 ± 0.029 y
spin5/2
nuclear quadrupole moment
6
time of discovery or invention1949
parity+

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

242Pu

mass number242
neutron number148
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
375 ± 2 ky
spin0
nuclear quadrupole moment
0
time of discovery or invention1950
parity+

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

243Pu

mass number243
neutron number149
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4.9553 ± 0.0025 h
spin7/2
nuclear quadrupole moment
time of discovery or invention1951
parity+

decay modeintensity
β (β decay)100%

244Pu

mass number244
neutron number150
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
81.3 ± 0.3 My
spin0
nuclear quadrupole moment
0
time of discovery or invention1954
parity+

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

245Pu

mass number245
neutron number151
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
10.5 ± 0.1 h
spin9/2
nuclear quadrupole moment
time of discovery or invention1955
parity-

decay modeintensity
β (β decay)100%

246Pu

mass number246
neutron number152
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
10.84 ± 0.02 d
spin0
nuclear quadrupole moment
0
time of discovery or invention1955
parity+

decay modeintensity
β (β decay)100%

247Pu

mass number247
neutron number153
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2.27 ± 0.23 d
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1983
parity+

decay modeintensity
β (β decay)100%
Plutonium ring

kōrero nehe

discoverer or inventorG.T.Seaborg, J.W.Kennedy, E.M.McMillan, A.C.Wohl
location of discoveryUnited States
time of discovery or invention1940
etymologyNamed for the planet Pluto.
pronunciationploo-TOE-ni-em (Ingarihi)

source

Abundance
Abundance in Earth's crust
natural abundance (Moana nui)
natural abundance (human body)
0 %
natural abundance (meteoroid)
0 %
natural abundance (Te Rā)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants