Дубни

Дубни (Db)

chemical element with the atomic number of 105
Atomic Number105
Atomic Weight268
жингийн тоо255
Group5
Period7
Blockd
Протон105 p+
Нейтрон150 n0
Электрон105 e-
Animated Bohr model of Db (Дубни)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density

Chemical Property

энерги
proton affinity
electron affinity
ionization energy
ionization energy of Db (Дубни)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Электрон
electron shell2, 8, 18, 32, 32, 11, 2
Bohr model: Db (Дубни)
valence electron2
Lewis structure: Db (Дубни)
electron configuration[Rn] 5f14 6d3 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f14 6d3 7s2
Enhanced Bohr model of Db (Дубни)
Orbital Diagram of Db (Дубни)
Исэлдэлтийн зэрэг5
Цахилгаан сөрөг чанар
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
Гурван фазын цэг
appearance
Өнгө
Colorless
appearance
Хугалах илтгэгч
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
electrical resistivity
Хэт дамжуулагч
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal Structure{ERROR}
lattice constant
Lattice Angles
mechanical property
Хатуулаг
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Дууны хурд
classification
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

жингийн тоо255
neutron number150
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
54 ms
spin9/2
nuclear quadrupole moment
time of discovery or invention1976
parity+

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

256Db

жингийн тоо256
neutron number151
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
1.7 ± 0.4 s
spin9
nuclear quadrupole moment
time of discovery or invention2001
parity-

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

257Db

жингийн тоо257
neutron number152
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
2.3 ± 0.2 s
spin9/2
nuclear quadrupole moment
time of discovery or invention1985
parity+

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

258Db

жингийн тоо258
neutron number153
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
2.17 ± 0.36 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1985
parity-

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

259Db

жингийн тоо259
neutron number154
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
510 ± 160 ms
spin9/2
nuclear quadrupole moment
time of discovery or invention2001
parity+

decay modeintensity
α (α emission)100%

260Db

жингийн тоо260
neutron number155
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
1.52 ± 0.13 s
spin
nuclear quadrupole moment
time of discovery or invention1970
parity

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

261Db

жингийн тоо261
neutron number156
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
4.7 ± 1 s
spin9/2
nuclear quadrupole moment
time of discovery or invention1970
parity+

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

262Db

жингийн тоо262
neutron number157
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
34 ± 4 s
spin
nuclear quadrupole moment
time of discovery or invention1971
parity

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

263Db

жингийн тоо263
neutron number158
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
29 ± 9 s
spin9/2
nuclear quadrupole moment
time of discovery or invention1992
parity+

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

264Db

жингийн тоо264
neutron number159
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention
parity

decay modeintensity
α (α emission)

265Db

жингийн тоо265
neutron number160
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin9/2
nuclear quadrupole moment
time of discovery or invention
parity+

decay modeintensity
α (α emission)

266Db

жингийн тоо266
neutron number161
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
80 ± 70 m
spin
nuclear quadrupole moment
time of discovery or invention2007
parity

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

267Db

жингийн тоо267
neutron number162
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
2 ± 1.1 h
spin9/2
nuclear quadrupole moment
time of discovery or invention2004
parity+

decay modeintensity
SF (spontaneous fission)100%

268Db

жингийн тоо268
neutron number163
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
29 ± 3 h
spin
nuclear quadrupole moment
time of discovery or invention2004
parity

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

269Db

жингийн тоо269
neutron number164
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin9/2
nuclear quadrupole moment
time of discovery or invention
parity+

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

270Db

жингийн тоо270
neutron number165
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
1.7 ± 1 h
spin
nuclear quadrupole moment
time of discovery or invention2010
parity

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

түүх

discoverer or inventorA. Ghiorso, et al
location of discoveryUnited States
time of discovery or invention1970
etymologyNamed after the city of Dubna, the site of the JINR.
pronunciationHA-ni-em (англи)

source

Abundance
Abundance in Earth's crust
natural abundance (Далай)
natural abundance (Хүний бие)
0 %
natural abundance (Солир)
0 %
natural abundance (Нар)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants