Kuri

Kuri (Cm)

chemical element with the atomic number of 96
Atomic Number96
Atomic Weight247
mass number231
Group
Period7
Blockf
protoni96 p+
nyutroni135 n0
elektroni96 e-
Animated Bohr model of Cm (Kuri)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
msongamano

Chemical Property

nishati
proton affinity
electron affinity
ionization energy
ionization energy of Cm (Kuri)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektroni
Mzingo elektroni2, 8, 18, 32, 25, 9, 2
Bohr model: Cm (Kuri)
valence electron2
Lewis structure: Cm (Kuri)
electron configuration[Rn] 5f7 6d1 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f7 6d1 7s2
Enhanced Bohr model of Cm (Kuri)
Orbital Diagram of Cm (Kuri)
oxidation number3, 4, 5, 6
electronegativity
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
Kiwango utatu
appearance
Rangi
Silver
appearancesilvery metallic, glows purple in the dark
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
Uga sumaku
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal StructureSimple Hexagonal ()
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number40
Mendeleev Number28
Pettifor Number41
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
60
Neutron Mass Absorption
quantum number9D2
space group194 (P63/mmc)

Isotopes of Curium

Stable Isotopes0
Unstable Isotopes22
Natural Isotopes0

231Cm

mass number231
neutron number135
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin3/2
nuclear quadrupole moment
Uvumbuzi
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

232Cm

mass number232
neutron number136
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin0
nuclear quadrupole moment
0
Uvumbuzi
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

233Cm

mass number233
neutron number137
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
27 ± 10 s
spin3/2
nuclear quadrupole moment
Uvumbuzi2001
parity+

hali ya kuozaintensity
α (α emission)20%
β+ (β+ decay; β+ = ϵ + e+)80%

234Cm

mass number234
neutron number138
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
52 ± 9 s
spin0
nuclear quadrupole moment
0
Uvumbuzi2001
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)71%
α (α emission)27%
SF (spontaneous fission)2%

235Cm

mass number235
neutron number139
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
7 ± 3 m
spin5/2
nuclear quadrupole moment
Uvumbuzi1981
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)4%

236Cm

mass number236
neutron number140
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
6.8 ± 0.8 m
spin0
nuclear quadrupole moment
0
Uvumbuzi2010
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)82%
α (α emission)18%
SF (spontaneous fission)

237Cm

mass number237
neutron number141
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin5/2
nuclear quadrupole moment
Uvumbuzi2002
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

238Cm

mass number238
neutron number142
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
2.2 ± 0.4 h
spin0
nuclear quadrupole moment
0
Uvumbuzi1994
parity+

hali ya kuozaintensity
ϵ (electron capture)
α (α emission)3.84%
SF (spontaneous fission)0.048%

239Cm

mass number239
neutron number143
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
2.5 ± 0.4 h
spin7/2
nuclear quadrupole moment
Uvumbuzi1952
parity-

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)6.2%

240Cm

mass number240
neutron number144
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
30.4 ± 3.7 d
spin0
nuclear quadrupole moment
0
Uvumbuzi1949
parity+

hali ya kuozaintensity
α (α emission)100%
ϵ (electron capture)
SF (spontaneous fission)3.9%

241Cm

mass number241
neutron number145
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
32.8 ± 0.2 d
spin1/2
nuclear quadrupole moment
0
Uvumbuzi1952
parity+

hali ya kuozaintensity
ϵ (electron capture)99%
α (α emission)1%

242Cm

mass number242
neutron number146
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
162.8 ± 0.2 d
spin0
nuclear quadrupole moment
0
Uvumbuzi1949
parity+

hali ya kuozaintensity
α (α emission)100%
SF (spontaneous fission)6.2%
34Si1.1%
+ (double β+ decay)

243Cm

mass number243
neutron number147
Relative Atomic Mass
g-factor
0.16 ± 0.032
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
29.1 ± 0.1 y
spin5/2
nuclear quadrupole moment
Uvumbuzi1950
parity+

hali ya kuozaintensity
α (α emission)100%
ϵ (electron capture)0.29%
SF (spontaneous fission)5.3%

244Cm

mass number244
neutron number148
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
18.11 ± 0.03 y
spin0
nuclear quadrupole moment
0
Uvumbuzi1950
parity+

hali ya kuozaintensity
α (α emission)100%
SF (spontaneous fission)1.37%

245Cm

mass number245
neutron number149
Relative Atomic Mass
g-factor
0.14285714285714 ± 0.028571428571429
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
8.25 ± 0.07 ky
spin7/2
nuclear quadrupole moment
Uvumbuzi1954
parity+

hali ya kuozaintensity
α (α emission)100%
SF (spontaneous fission)6.1%

246Cm

mass number246
neutron number150
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
4.706 ± 0.04 ky
spin0
nuclear quadrupole moment
0
Uvumbuzi1954
parity+

hali ya kuozaintensity
α (α emission)99.97385%
SF (spontaneous fission)0.02615%

247Cm

mass number247
neutron number151
Relative Atomic Mass
g-factor
0.08 ± 0.015555555555556
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
15.6 ± 0.5 My
spin9/2
nuclear quadrupole moment
Uvumbuzi1954
parity-

hali ya kuozaintensity
α (α emission)100%

248Cm

mass number248
neutron number152
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
348 ± 6 ky
spin0
nuclear quadrupole moment
0
Uvumbuzi1956
parity+

hali ya kuozaintensity
α (α emission)91.61%
SF (spontaneous fission)8.39%
(double β decay)

249Cm

mass number249
neutron number153
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
64.15 ± 0.03 m
spin1/2
nuclear quadrupole moment
0
Uvumbuzi1956
parity+

hali ya kuozaintensity
β (β decay)100%

250Cm

mass number250
neutron number154
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin0
nuclear quadrupole moment
0
Uvumbuzi1966
parity+

hali ya kuozaintensity
SF (spontaneous fission)74%
α (α emission)
β (β decay)

251Cm

mass number251
neutron number155
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
16.8 ± 0.2 m
spin3/2
nuclear quadrupole moment
Uvumbuzi1978
parity+

hali ya kuozaintensity
β (β decay)100%

252Cm

mass number252
neutron number156
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin0
nuclear quadrupole moment
0
Uvumbuzi
parity+

hali ya kuozaintensity
β (β decay)
α (α emission)
Cm-Fluoreszenz

historia

mgunduzi au mvumbuziG.T.Seaborg, R.A.James, A.Ghiorso
location of discoveryUnited States
Uvumbuzi1944
EtimolojiaNamed in honor of Pierre and Marie Curie.
pronunciationKYOOR-i-em (Kiingereza)

source

Abundance
Abundance in Earth's crust
natural abundance (Bahari)
natural abundance (Mwili)
0 %
natural abundance (Kimondo)
0 %
natural abundance (Jua)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants