Dubnijs

Dubnijs (Db)

ķīmiskais elements ar simbolu Db un atomskaitli 105
Atomic Number105
Atomic Weight268
Masas skaitlis255
Group5
Period7
Blockd
protons105 p+
neitrons150 n0
elektrons105 e-
Animated Bora atoma struktūras modelis of Db (Dubnijs)

Fizikāla Īpašība

Atoma Rādiuss
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
blīvums

Chemical Property

enerģija
proton affinity
Elektrontieksme
jonizācijas potenciāls
jonizācijas potenciāls of Db (Dubnijs)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektrons
electron shell2, 8, 18, 32, 32, 11, 2
Bora atoma struktūras modelis: Db (Dubnijs)
vērtības elektrons2
Lewis structure: Db (Dubnijs)
elektronu konfigurācija[Rn] 5f14 6d3 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f14 6d3 7s2
Enhanced Bora atoma struktūras modelis of Db (Dubnijs)
Orbital Diagram of Db (Dubnijs)
Oksidēšanas pakāpe5
elektronegativitāte
Electrophilicity Index
fundamentālais agregātstāvoklis
agregātstāvoklisSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
trīskāršais punkts
appearance
krāsa
Colorless
appearance
Laušanas koeficients
thermodynamic material property
Thermal Conductivity
Termiskā izplešanās
Molārā siltumietilpība
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
īpatnējā pretestība
Supravadītspēja
Magnētisms
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
struktūra
Crystal Structure ()
lattice constant
Lattice Angles
mechanical property
Cietība
tilpuma elastības modulis
shear modulus
Junga modulis
Poisson's ratio
skaņas ātrums
klasifikācija
CategoryTransition metals, Transition metals
CAS GroupVA
IUPAC GroupVB
Glawe Number
Mendeleev Number50
Pettifor Number
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number4F3/2
space group ()

Isotopes of Dubnium

Stable Isotopes0
Unstable Isotopes16
Natural Isotopes0

255Db

Masas skaitlis255
neutron number150
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
54 ms
spins9/2
nuclear quadrupole moment
atklāšanas datums1976
parity+

decay modeintensity
SF (spontaneous fission)67%
α (α emission)

256Db

Masas skaitlis256
neutron number151
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
1,7 ± 0,4 s
spins9
nuclear quadrupole moment
atklāšanas datums2001
parity-

decay modeintensity
α (α emission)70%
β+ (β+ decay; β+ = ϵ + e+)30%
SF (spontaneous fission)

257Db

Masas skaitlis257
neutron number152
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,3 ± 0,2 s
spins9/2
nuclear quadrupole moment
atklāšanas datums1985
parity+

decay modeintensity
α (α emission)94%
SF (spontaneous fission)6%
β+ (β+ decay; β+ = ϵ + e+)

258Db

Masas skaitlis258
neutron number153
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,17 ± 0,36 s
spins0
nuclear quadrupole moment
0
atklāšanas datums1985
parity-

decay modeintensity
α (α emission)64%
β+ (β+ decay; β+ = ϵ + e+)36%

259Db

Masas skaitlis259
neutron number154
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
510 ± 160 ms
spins9/2
nuclear quadrupole moment
atklāšanas datums2001
parity+

decay modeintensity
α (α emission)100%

260Db

Masas skaitlis260
neutron number155
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
1,52 ± 0,13 s
spins
nuclear quadrupole moment
atklāšanas datums1970
parity

decay modeintensity
α (α emission)90.4%
SF (spontaneous fission)9.6%
β+ (β+ decay; β+ = ϵ + e+)

261Db

Masas skaitlis261
neutron number156
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
4,7 ± 1 s
spins9/2
nuclear quadrupole moment
atklāšanas datums1970
parity+

decay modeintensity
SF (spontaneous fission)73%
α (α emission)27%

262Db

Masas skaitlis262
neutron number157
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
34 ± 4 s
spins
nuclear quadrupole moment
atklāšanas datums1971
parity

decay modeintensity
SF (spontaneous fission)52%
α (α emission)48%
β+ (β+ decay; β+ = ϵ + e+)

263Db

Masas skaitlis263
neutron number158
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
29 ± 9 s
spins9/2
nuclear quadrupole moment
atklāšanas datums1992
parity+

decay modeintensity
SF (spontaneous fission)56%
α (α emission)37%
β+ (β+ decay; β+ = ϵ + e+)6.9%

264Db

Masas skaitlis264
neutron number159
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins
nuclear quadrupole moment
atklāšanas datums
parity

decay modeintensity
α (α emission)

265Db

Masas skaitlis265
neutron number160
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins9/2
nuclear quadrupole moment
atklāšanas datums
parity+

decay modeintensity
α (α emission)

266Db

Masas skaitlis266
neutron number161
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
80 ± 70 m
spins
nuclear quadrupole moment
atklāšanas datums2007
parity

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

267Db

Masas skaitlis267
neutron number162
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2 ± 1,1 h
spins9/2
nuclear quadrupole moment
atklāšanas datums2004
parity+

decay modeintensity
SF (spontaneous fission)100%

268Db

Masas skaitlis268
neutron number163
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
29 ± 3 h
spins
nuclear quadrupole moment
atklāšanas datums2004
parity

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

269Db

Masas skaitlis269
neutron number164
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins9/2
nuclear quadrupole moment
atklāšanas datums
parity+

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

270Db

Masas skaitlis270
neutron number165
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
1,7 ± 1 h
spins
nuclear quadrupole moment
atklāšanas datums2010
parity

decay modeintensity
SF (spontaneous fission)87%
α (α emission)13%
Electron shell 105 Dubnium

vēsture

atklājējs vai izgudrotājsA. Ghiorso, et al
atraduma atrašanās vietaUnited States
atklāšanas datums1970
EtimoloģijaNamed after the city of Dubna, the site of the JINR.
izrunaHA-ni-em (angļu)

avots

Abundance
Abundance in Earth's crust
natural abundance (okeāns)
natural abundance (cilvēka ķermenis)
0 %
natural abundance (meteoroīds)
0 %
natural abundance (Saule)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants