Ruterfordijum, ²Rutherfordij

Ruterfordijum, ²Rutherfordij (Rf)

hemijski element sa simbolom Rf i atomskim brojem 104
Atomic Number104
Atomic Weight267
Maseni broj253
Group4
Period7
Blockd
Proton104 p+
Neutron149 n0
Elektron104 e-
Animated Bohrov model atoma of Rf (Ruterfordijum, ²Rutherfordij)

Physical Property

Atomski Radijus
Molarni volumen
covalent radius
157 pm
Metallic Radius
Ionski radijus
Crystal Radius
Van der Waalsov radijus
gustoća
23,3 g/cm³

Chemical Property

energija
proton affinity
electron affinity
ionization energy
ionization energy of Rf (Ruterfordijum, ²Rutherfordij)
Toplota isparavanja
toplota topljenja
standard enthalpy of formation
Elektron
electron shell2, 8, 18, 32, 32, 10, 2
Bohrov model atoma: Rf (Ruterfordijum, ²Rutherfordij)
Valentni elektron2
Lewis structure: Rf (Ruterfordijum, ²Rutherfordij)
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 Bohrov model atoma of Rf (Ruterfordijum, ²Rutherfordij)
Orbital Diagram of Rf (Ruterfordijum, ²Rutherfordij)
oksidacijsko stanje4
Elektronegativnost
Electrophilicity Index
fundamental state of matter
agregatno stanjeSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
Kritična temperatura
Trojna tačka
appearance
boja
Colorless
appearance
Indeks prelamanja
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
Specifična električna provodljivost
electrical resistivity
Superprovodljivost
Magnetizam
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal Structure ()
lattice constant
Lattice Angles
mechanical property
Tvrdoća
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Brzina zvuka
klasifikacija
CategoryTransition metals, Transition metals
CAS GroupIVA
IUPAC GroupIVB
Glawe Number
Mendeleev Number46
Pettifor Number
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
112 ± 10 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
Kvantni brojevi3F2
space group ()

Isotopes of Rutherfordium

Stable Isotopes0
Unstable Isotopes16
Natural Isotopes0

253Rf

Maseni broj253
broj neutrona149
relative atomic mass
253,100528 ± 0,00044 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
13 ± 5 ms
spin7/2
nuclear quadrupole moment
datum otkrića1997
parity

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

254Rf

Maseni broj254
broj neutrona150
relative atomic mass
254,100055 ± 0,000304 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
22,9 ± 1 us
spin0
nuclear quadrupole moment
0
datum otkrića1997
parity+

decay modeintensity
SF (spontaneous fission)100%
α (α emission)1.5%

255Rf

Maseni broj255
broj neutrona151
relative atomic mass
255,101267 ± 0,000194 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,63 ± 0,05 s
spin9/2
nuclear quadrupole moment
datum otkrića1975
parity-

decay modeintensity
α (α emission)52.8%
SF (spontaneous fission)47.2%
β+ (β+ decay; β+ = ϵ + e+)6%

256Rf

Maseni broj256
broj neutrona152
relative atomic mass
256,101151464 ± 0,00001916 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,6 ± 0,05 ms
spin0
nuclear quadrupole moment
0
datum otkrića1975
parity+

decay modeintensity
SF (spontaneous fission)99.69%
α (α emission)0.31%

257Rf

Maseni broj257
broj neutrona153
relative atomic mass
257,102916796 ± 0,000011612 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5 ± 0,2 s
spin1/2
nuclear quadrupole moment
0
datum otkrića1969
parity+

decay modeintensity
α (α emission)89.3%
β+ (β+ decay; β+ = ϵ + e+)9.4%
SF (spontaneous fission)1.3%

258Rf

Maseni broj258
broj neutrona154
relative atomic mass
258,103429895 ± 0,000017288 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12,5 ± 0,5 ms
spin0
nuclear quadrupole moment
0
datum otkrića1969
parity+

decay modeintensity
SF (spontaneous fission)95.1%
α (α emission)4.9%

259Rf

Maseni broj259
broj neutrona155
relative atomic mass
259,105601 ± 0,000078 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,63 ± 0,26 s
spin3/2
nuclear quadrupole moment
datum otkrića1969
parity+

decay modeintensity
α (α emission)85%
β+ (β+ decay; β+ = ϵ + e+)15%
SF (spontaneous fission)3%

260Rf

Maseni broj260
broj neutrona156
relative atomic mass
260,10644 ± 0,000215 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21 ± 1 ms
spin0
nuclear quadrupole moment
0
datum otkrića1985
parity+

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

261Rf

Maseni broj261
broj neutrona157
relative atomic mass
261,108769591 ± 0,000070492 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,1 ± 0,2 s
spin3/2
nuclear quadrupole moment
datum otkrića1970
parity+

decay modeintensity
SF (spontaneous fission)82%
α (α emission)18%

262Rf

Maseni broj262
broj neutrona158
relative atomic mass
262,109923 ± 0,00024 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
250 ± 100 ms
spin0
nuclear quadrupole moment
0
datum otkrića1985
parity+

decay modeintensity
SF (spontaneous fission)100%

263Rf

Maseni broj263
broj neutrona159
relative atomic mass
263,112461 ± 0,000164 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
11 ± 3 m
spin
nuclear quadrupole moment
datum otkrića2003
parity

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

264Rf

Maseni broj264
broj neutrona160
relative atomic mass
264,113876 ± 0,000387 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića
parity+

decay modeintensity
α (α emission)

265Rf

Maseni broj265
broj neutrona161
relative atomic mass
265,116683 ± 0,000387 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,6 ± 0,6 m
spin9/2
nuclear quadrupole moment
datum otkrića2010
parity+

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

266Rf

Maseni broj266
broj neutrona162
relative atomic mass
266,118236 ± 0,000443 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića
parity+

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

267Rf

Maseni broj267
broj neutrona163
relative atomic mass
267,121787 ± 0,000617 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,5 ± 1,5 h
spin
nuclear quadrupole moment
datum otkrića2004
parity

decay modeintensity
SF (spontaneous fission)100%

268Rf

Maseni broj268
broj neutrona164
relative atomic mass
268,123968 ± 0,000711 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića
parity+

decay modeintensity
α (α emission)
SF (spontaneous fission)
Electron shell 104 Rutherfordium

historija

otkrivač ili izumiteljA. Ghiorso, et al
mjesto otkrićaUnited States
datum otkrića1969
EtimologijaNamed in honor of Ernest Rutherford
pronunciationruth-er-FORD-i-em (engleski)

izvor

Abundance
Abundance in Earth's crust
natural abundance (okean)
natural abundance (ljudsko tijelo)
0 %
natural abundance (Meteoroidi)
0 %
natural abundance (Sunce)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants