Курчатовий

Курчатовий (Rf)

chemical element with the atomic number of 104
Atomic Number104
Atomic Weight267
mass number253
Group4
Period7
Blockd
Протон104 p+
Нейтрон149 n0
Электрон104 e-
Animated Bohr model of Rf (Курчатовий)

Physical Property

Атомдук Радиус
molar volume
covalent radius
157 pm
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
23,3 g/cm³

Chemical Property

энергия
proton affinity
electron affinity
ionization energy
6,01 eV/particle
ionization energy of Rf (Курчатовий)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Электрон
electron shell2, 8, 18, 32, 32, 10, 2
Bohr model: Rf (Курчатовий)
valence electron2 ⓘ
Lewis structure: Rf (Курчатовий)
electron configuration[Rn] 5f14 6d2 7s2ⓘ
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f14 6d2 7s2
Enhanced Bohr model of Rf (Курчатовий)
Orbital Diagram of Rf (Курчатовий)
oxidation number4
electronegativity
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
Түс –
Colorless
appearance
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
Магнетизм
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
түзүм
Crystal Structure ()
lattice constant
Lattice Angles
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
CategoryTransition metals, Transition metals
CAS GroupIVA
IUPAC GroupIVB
Glawe Number
Mendeleev Number46
Pettifor Number
Geochemical Class
Литофиль элементтериsynthetic

other

Gas Basicity
polarizability
112 ± 10 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
Кванттык сандар3F2
space group ()

Isotopes of Rutherfordium

Stable Isotopes0
Unstable Isotopes16
Natural Isotopes0

253Rf

mass number253
neutron number149
relative atomic mass
253,100528 ± 0,00044 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
13 ± 5 ms
Спин7/2
nuclear quadrupole moment
time of discovery or invention1997
parity
decay modeintensity
SF (spontaneous fission)100%
α (α emission)

254Rf

mass number254
neutron number150
relative atomic mass
254,100055 ± 0,000304 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
22,9 ± 1 us
Спин0
nuclear quadrupole moment
0
time of discovery or invention1997
parity+
decay modeintensity
SF (spontaneous fission)100%
α (α emission)1.5%

255Rf

mass number255
neutron number151
relative atomic mass
255,101267 ± 0,000194 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
1,63 ± 0,05 s
Спин9/2
nuclear quadrupole moment
time of discovery or invention1975
parity-
decay modeintensity
α (α emission)52.8%
SF (spontaneous fission)47.2%
β+ (β+ decay; β+ = ϵ + e+)6%

256Rf

mass number256
neutron number152
relative atomic mass
256,101151464 ± 0,00001916 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
6,6 ± 0,05 ms
Спин0
nuclear quadrupole moment
0
time of discovery or invention1975
parity+
decay modeintensity
SF (spontaneous fission)99.69%
α (α emission)0.31%

257Rf

mass number257
neutron number153
relative atomic mass
257,102916796 ± 0,000011612 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
5 ± 0,2 s
Спин1/2
nuclear quadrupole moment
0
time of discovery or invention1969
parity+
decay modeintensity
α (α emission)89.3%
β+ (β+ decay; β+ = ϵ + e+)9.4%
SF (spontaneous fission)1.3%

258Rf

mass number258
neutron number154
relative atomic mass
258,103429895 ± 0,000017288 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
12,5 ± 0,5 ms
Спин0
nuclear quadrupole moment
0
time of discovery or invention1969
parity+
decay modeintensity
SF (spontaneous fission)95.1%
α (α emission)4.9%

259Rf

mass number259
neutron number155
relative atomic mass
259,105601 ± 0,000078 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
2,63 ± 0,26 s
Спин3/2
nuclear quadrupole moment
time of discovery or invention1969
parity+
decay modeintensity
α (α emission)85%
β+ (β+ decay; β+ = ϵ + e+)15%
SF (spontaneous fission)3%

260Rf

mass number260
neutron number156
relative atomic mass
260,10644 ± 0,000215 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
21 ± 1 ms
Спин0
nuclear quadrupole moment
0
time of discovery or invention1985
parity+
decay modeintensity
SF (spontaneous fission)100%
α (α emission)
β+ (β+ decay; β+ = ϵ + e+)

261Rf

mass number261
neutron number157
relative atomic mass
261,108769591 ± 0,000070492 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
2,1 ± 0,2 s
Спин3/2
nuclear quadrupole moment
time of discovery or invention1970
parity+
decay modeintensity
SF (spontaneous fission)82%
α (α emission)18%

262Rf

mass number262
neutron number158
relative atomic mass
262,109923 ± 0,00024 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
250 ± 100 ms
Спин0
nuclear quadrupole moment
0
time of discovery or invention1985
parity+
decay modeintensity
SF (spontaneous fission)100%

263Rf

mass number263
neutron number159
relative atomic mass
263,112461 ± 0,000164 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
11 ± 3 m
Спин
nuclear quadrupole moment
time of discovery or invention2003
parity
decay modeintensity
SF (spontaneous fission)100%
α (α emission)

264Rf

mass number264
neutron number160
relative atomic mass
264,113876 ± 0,000387 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин0
nuclear quadrupole moment
0
time of discovery or invention
parity+
decay modeintensity
α (α emission)

265Rf

mass number265
neutron number161
relative atomic mass
265,116683 ± 0,000387 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
1,6 ± 0,6 m
Спин9/2
nuclear quadrupole moment
time of discovery or invention2010
parity+
decay modeintensity
SF (spontaneous fission)100%
α (α emission)

266Rf

mass number266
neutron number162
relative atomic mass
266,118236 ± 0,000443 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин0
nuclear quadrupole moment
0
time of discovery or invention
parity+
decay modeintensity
α (α emission)
SF (spontaneous fission)

267Rf

mass number267
neutron number163
relative atomic mass
267,121787 ± 0,000617 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
2,5 ± 1,5 h
Спин
nuclear quadrupole moment
time of discovery or invention2004
parity
decay modeintensity
SF (spontaneous fission)100%

268Rf

mass number268
neutron number164
relative atomic mass
268,123968 ± 0,000711 Da
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин0
nuclear quadrupole moment
0
time of discovery or invention
parity+
decay modeintensity
α (α emission)
SF (spontaneous fission)
Electron shell 104 Rutherfordium

тарых

discoverer or inventorA. Ghiorso, et al
location of discoveryUnited States
time of discovery or invention1969
ЭтимологияNamed in honor of Ernest Rutherford
pronunciationruth-er-FORD-i-em (англисче)

source

Abundance
Abundance in Earth's crust
natural abundance (Океан)
natural abundance (human body)
0 %
natural abundance (meteoroid)
0 %
natural abundance (Күн)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants

Курчатовий on ChemicalAid