Kirium, ²Curiumi

Kirium, ²Curiumi (Cm)

chemical element with the atomic number of 96
Atomic Number96
Atomic Weight247
Numri i masës231
Group
Period7
Blockf
protoni96 p+
neutroni135 n0
elektroni96 e-
Animated Bohr model of Cm (Kirium, ²Curiumi)

Tipar Fizik

Atomic Radius
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density

Chemical Property

energjia
proton affinity
electron affinity
ionization energy
ionization energy of Cm (Kirium, ²Curiumi)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektroni
electron shell2, 8, 18, 32, 25, 9, 2
Bohr model: Cm (Kirium, ²Curiumi)
valence electron2
Lewis structure: Cm (Kirium, ²Curiumi)
konfigurimi i elektronit[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 (Kirium, ²Curiumi)
Orbital Diagram of Cm (Kirium, ²Curiumi)
oxidation number3, 4, 5, 6
Elektronegativiteti
Electrophilicity Index
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
Ngjyra
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
Superpërcjellshmëria
Magnetizimi
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
strukturë
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
Shpejtësia e zërit
klasifikim
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
numër kuantik9D2
space group194 (P63/mmc)

Isotopes of Curium

Stable Isotopes0
Unstable Isotopes22
Natural Isotopes0

231Cm

Numri i masës231
numri i neutroneve135
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

232Cm

Numri i masës232
numri i neutroneve136
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

233Cm

Numri i masës233
numri i neutroneve137
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
27 ± 10 s
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2001
parity+

decay modeintensitet
α (α emission)20%
β+ (β+ decay; β+ = ϵ + e+)80%

234Cm

Numri i masës234
numri i neutroneve138
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
52 ± 9 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2001
parity+

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

235Cm

Numri i masës235
numri i neutroneve139
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
7 ± 3 m
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1981
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)4%

236Cm

Numri i masës236
numri i neutroneve140
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
6,8 ± 0,8 m
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2010
parity+

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

237Cm

Numri i masës237
numri i neutroneve141
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2002
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

238Cm

Numri i masës238
numri i neutroneve142
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,2 ± 0,4 h
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1994
parity+

decay modeintensitet
ϵ (electron capture)
α (α emission)3.84%
SF (spontaneous fission)0.048%

239Cm

Numri i masës239
numri i neutroneve143
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,5 ± 0,4 h
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1952
parity-

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)6.2%

240Cm

Numri i masës240
numri i neutroneve144
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
30,4 ± 3,7 d
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1949
parity+

decay modeintensitet
α (α emission)100%
ϵ (electron capture)
SF (spontaneous fission)3.9%

241Cm

Numri i masës241
numri i neutroneve145
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
32,8 ± 0,2 d
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1952
parity+

decay modeintensitet
ϵ (electron capture)99%
α (α emission)1%

242Cm

Numri i masës242
numri i neutroneve146
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
162,8 ± 0,2 d
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1949
parity+

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

243Cm

Numri i masës243
numri i neutroneve147
Relative Atomic Mass
g-factor
0,16 ± 0,032
natural abundance
Radioaktivitet☢️ radioactive element
half-life
29,1 ± 0,1 y
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1950
parity+

decay modeintensitet
α (α emission)100%
ϵ (electron capture)0.29%
SF (spontaneous fission)5.3%

244Cm

Numri i masës244
numri i neutroneve148
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
18,11 ± 0,03 y
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1950
parity+

decay modeintensitet
α (α emission)100%
SF (spontaneous fission)1.37%

245Cm

Numri i masës245
numri i neutroneve149
Relative Atomic Mass
g-factor
0,14285714285714 ± 0,028571428571429
natural abundance
Radioaktivitet☢️ radioactive element
half-life
8,25 ± 0,07 ky
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1954
parity+

decay modeintensitet
α (α emission)100%
SF (spontaneous fission)6.1%

246Cm

Numri i masës246
numri i neutroneve150
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,706 ± 0,04 ky
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1954
parity+

decay modeintensitet
α (α emission)99.97385%
SF (spontaneous fission)0.02615%

247Cm

Numri i masës247
numri i neutroneve151
Relative Atomic Mass
g-factor
0,08 ± 0,015555555555556
natural abundance
Radioaktivitet☢️ radioactive element
half-life
15,6 ± 0,5 My
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1954
parity-

decay modeintensitet
α (α emission)100%

248Cm

Numri i masës248
numri i neutroneve152
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
348 ± 6 ky
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1956
parity+

decay modeintensitet
α (α emission)91.61%
SF (spontaneous fission)8.39%
(double β decay)

249Cm

Numri i masës249
numri i neutroneve153
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
64,15 ± 0,03 m
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1956
parity+

decay modeintensitet
β (β decay)100%

250Cm

Numri i masës250
numri i neutroneve154
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1966
parity+

decay modeintensitet
SF (spontaneous fission)74%
α (α emission)
β (β decay)

251Cm

Numri i masës251
numri i neutroneve155
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
16,8 ± 0,2 m
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1978
parity+

decay modeintensitet
β (β decay)100%

252Cm

Numri i masës252
numri i neutroneve156
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
β (β decay)
α (α emission)
Cm-Fluoreszenz

historia

zbuluesG.T.Seaborg, R.A.James, A.Ghiorso
vendndodhja e zbulimitUnited States
koha e zbulimit apo shpikjes1944
EtimologjiaNamed in honor of Pierre and Marie Curie.
pronunciationKYOOR-i-em (anglisht)

burim

Abundance
Abundance in Earth's crust
natural abundance (Oqeani)
natural abundance (Trupi i njeriut)
0 %
natural abundance (meteoroid)
0 %
natural abundance (Diell)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants