Rutherfordi

Rutherfordi (Rf)

chemical element with the atomic number of 104
Atomic Number104
Atomic Weight267
Rhif màs253
Group4
Period7
Blockd
Proton104 p+
Niwtron149 n0
Electron104 e-
Animated Bohr model of Rf (Rutherfordi)

Nodwedd Ffisegol

Atomic Radius
molar volume
covalent radius
157 pm
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
23.3 g/cm³

Nodwedd Gemegol

egni
proton affinity
electron affinity
ionization energy
ionization energy of Rf (Rutherfordi)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Electron
plisgyn yr electron2, 8, 18, 32, 32, 10, 2
Bohr model: Rf (Rutherfordi)
valence electron2
Lewis structure: Rf (Rutherfordi)
trefn yr electronnau[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 (Rutherfordi)
Orbital Diagram of Rf (Rutherfordi)
Cyflwr ocsidiad4
Electronegatifedd
Electrophilicity Index
cyflwr sylfaenol mater
cyflwr materSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
lliw
Colorless
appearance
Mynegrif plygiant
nodwedd ffisegol gwrthrych
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
dargludedd trydanol
Gwrthedd
superconductivity
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
strwythur
Crystal Structure ()
lattice constant
Lattice Angles
nodwedd mecanyddol deunyddiau
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
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
112 ± 10 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number3F2
space group ()

Isotopes of Rutherfordium

Stable Isotopes0
Unstable Isotopes16
Natural Isotopes0

253Rf

Rhif màs253
neutron number149
relative atomic mass
253.100528 ± 0.00044 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
13 ± 5 ms
spin7/2
nuclear quadrupole moment
dyddiad darganfod1997
parity

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

254Rf

Rhif màs254
neutron number150
relative atomic mass
254.100055 ± 0.000304 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
22.9 ± 1 us
spin0
nuclear quadrupole moment
0
dyddiad darganfod1997
parity+

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

255Rf

Rhif màs255
neutron number151
relative atomic mass
255.101267 ± 0.000194 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.63 ± 0.05 s
spin9/2
nuclear quadrupole moment
dyddiad darganfod1975
parity-

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

256Rf

Rhif màs256
neutron number152
relative atomic mass
256.101151464 ± 0.00001916 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
6.6 ± 0.05 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1975
parity+

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

257Rf

Rhif màs257
neutron number153
relative atomic mass
257.102916796 ± 0.000011612 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
5 ± 0.2 s
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1969
parity+

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

258Rf

Rhif màs258
neutron number154
relative atomic mass
258.103429895 ± 0.000017288 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
12.5 ± 0.5 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1969
parity+

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

259Rf

Rhif màs259
neutron number155
relative atomic mass
259.105601 ± 0.000078 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.63 ± 0.26 s
spin3/2
nuclear quadrupole moment
dyddiad darganfod1969
parity+

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

260Rf

Rhif màs260
neutron number156
relative atomic mass
260.10644 ± 0.000215 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
21 ± 1 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1985
parity+

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

261Rf

Rhif màs261
neutron number157
relative atomic mass
261.108769591 ± 0.000070492 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.1 ± 0.2 s
spin3/2
nuclear quadrupole moment
dyddiad darganfod1970
parity+

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

262Rf

Rhif màs262
neutron number158
relative atomic mass
262.109923 ± 0.00024 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
250 ± 100 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1985
parity+

decay modeintensity
SF (spontaneous fission)100%

263Rf

Rhif màs263
neutron number159
relative atomic mass
263.112461 ± 0.000164 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
11 ± 3 m
spin
nuclear quadrupole moment
dyddiad darganfod2003
parity

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

264Rf

Rhif màs264
neutron number160
relative atomic mass
264.113876 ± 0.000387 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod
parity+

decay modeintensity
α (α emission)

265Rf

Rhif màs265
neutron number161
relative atomic mass
265.116683 ± 0.000387 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.6 ± 0.6 m
spin9/2
nuclear quadrupole moment
dyddiad darganfod2010
parity+

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

266Rf

Rhif màs266
neutron number162
relative atomic mass
266.118236 ± 0.000443 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod
parity+

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

267Rf

Rhif màs267
neutron number163
relative atomic mass
267.121787 ± 0.000617 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.5 ± 1.5 h
spin
nuclear quadrupole moment
dyddiad darganfod2004
parity

decay modeintensity
SF (spontaneous fission)100%

268Rf

Rhif màs268
neutron number164
relative atomic mass
268.123968 ± 0.000711 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod
parity+

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

hanes

darganfyddwr neu ddyfeisiwrA. Ghiorso, et al
man darganfodUnited States
dyddiad darganfod1969
geirdarddiadNamed in honor of Ernest Rutherford
ynganiadruth-er-FORD-i-em (Saesneg)

source

Abundance
Abundance in Earth's crust
natural abundance (cefnfor)
natural abundance (corff dynol)
0 %
natural abundance (Awyrfaen)
0 %
natural abundance (Haul)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants