Dubnis

Dubnis (Db)

chemical element with the atomic number of 105
Atomic Number105
Atomic Weight268
mass number255
Group5
Period7
Blockd
protonas105 p+
neutronas150 n0
elektronas105 e-
Animated Boro teorija of Db (Dubnis)

Fizikinė Ypatybė

Atomo Spindulys
molinis tūris
Kovalentinis spindulys
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
tankis

Chemical Property

energija
proton affinity
electron affinity
ionization energy
ionization energy of Db (Dubnis)
Garavimo šiluma
lydymosi šiluma
standard enthalpy of formation
elektronas
electron shell2, 8, 18, 32, 32, 11, 2
Boro teorija: Db (Dubnis)
Valentinis elektronas2
Lewis structure: Db (Dubnis)
elektronų konfigūracija[Rn] 5f14 6d3 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f14 6d3 7s2
Enhanced Boro teorija of Db (Dubnis)
Orbital Diagram of Db (Dubnis)
oksidacijos laipsnis5
Elektroneigiamumas
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
spalva
Colorless
appearance
lūžio rodiklis
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
Elektrinis laidumas
electrical resistivity
Superlaidumas
Magnetizmas
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
struktūra
Crystal Structure{ERROR}
Gardelės konstanta
Lattice Angles
mechanical property
kietis
bulk modulus
shear modulus
Jungo modulis
Puasono santykis
garso greitis
classification
CategoryTransition metals, Transition metals
CAS GroupVA
IUPAC GroupVB
Glawe Number
Mendeleev Number50
Pettifor Number
Geochemical Class
Goldšmito klasifikacijasynthetic

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

mass number255
neutron number150
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
54 ms
Sukinys9/2
nuclear quadrupole moment
atradimo data1976
parity+

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

256Db

mass number256
neutron number151
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
1,7 ± 0,4 s
Sukinys9
nuclear quadrupole moment
atradimo data2001
parity-

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

257Db

mass number257
neutron number152
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
2,3 ± 0,2 s
Sukinys9/2
nuclear quadrupole moment
atradimo data1985
parity+

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

258Db

mass number258
neutron number153
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
2,17 ± 0,36 s
Sukinys0
nuclear quadrupole moment
0
atradimo data1985
parity-

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

259Db

mass number259
neutron number154
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
510 ± 160 ms
Sukinys9/2
nuclear quadrupole moment
atradimo data2001
parity+

decay modeIntensyvumas
α (α emission)100%

260Db

mass number260
neutron number155
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
1,52 ± 0,13 s
Sukinys
nuclear quadrupole moment
atradimo data1970
parity

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

261Db

mass number261
neutron number156
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
4,7 ± 1 s
Sukinys9/2
nuclear quadrupole moment
atradimo data1970
parity+

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

262Db

mass number262
neutron number157
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
34 ± 4 s
Sukinys
nuclear quadrupole moment
atradimo data1971
parity

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

263Db

mass number263
neutron number158
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
29 ± 9 s
Sukinys9/2
nuclear quadrupole moment
atradimo data1992
parity+

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

264Db

mass number264
neutron number159
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys
nuclear quadrupole moment
atradimo data
parity

decay modeIntensyvumas
α (α emission)

265Db

mass number265
neutron number160
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys9/2
nuclear quadrupole moment
atradimo data
parity+

decay modeIntensyvumas
α (α emission)

266Db

mass number266
neutron number161
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
80 ± 70 m
Sukinys
nuclear quadrupole moment
atradimo data2007
parity

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

267Db

mass number267
neutron number162
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
2 ± 1,1 h
Sukinys9/2
nuclear quadrupole moment
atradimo data2004
parity+

decay modeIntensyvumas
SF (spontaneous fission)100%

268Db

mass number268
neutron number163
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
29 ± 3 h
Sukinys
nuclear quadrupole moment
atradimo data2004
parity

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

269Db

mass number269
neutron number164
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys9/2
nuclear quadrupole moment
atradimo data
parity+

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

270Db

mass number270
neutron number165
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
1,7 ± 1 h
Sukinys
nuclear quadrupole moment
atradimo data2010
parity

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

istorija

atradėjas arba išradėjasA. Ghiorso, et al
location of discoveryUnited States
atradimo data1970
EtimologijaNamed after the city of Dubna, the site of the JINR.
pronunciationHA-ni-em (anglų)

source

Abundance
Abundance in Earth's crust
natural abundance (Vandenynas)
natural abundance (Kūnas)
0 %
natural abundance (Meteoroidas)
0 %
natural abundance (Saulė)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants