Dubnio

Dubnio (Db)

Zenbaki atomikoa 105 eta pisu atomikoa 262,11 duen elementu erradioaktibo artifiziala, transfermidoen multzokoa. Elementu astunak intentsitate handiko ioi-izpi batez bonbardatuz eratzen da.
Atomic Number105
Atomic Weight268
masa-zenbaki255
Group5
Period7
Blockd
protoi105 p+
neutroi150 n0
elektroi105 e-
Animated Bohrren eredu atomikoa of Db (Dubnio)

Propietate Fisiko

Erradio Atomiko
bolumen molar
Erradio Kobalente
149 pm
Metallic Radius
Erradio ioniko
Crystal Radius
Van der Waalsen erradio
dentsitatea
29,3 g/cm³

Magnitude Fisiko

energia
proton affinity
Afinitate elektroniko
ionizazio energia
ionizazio energia of Db (Dubnio)
Irakite-entalpia
urtze-entalpia
formazio entalpia estandarra
elektroi
elektroi geruza2, 8, 18, 32, 32, 11, 2
Bohrren eredu atomikoa: Db (Dubnio)
balentzia-elektroi2
Lewis egitura: Db (Dubnio)
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 Bohrren eredu atomikoa of Db (Dubnio)
Orbital Diagram of Db (Dubnio)
Oxidazio-egoera5
Elektronegatibotasun
Electrophilicity Index
materiaren funtsezko egoera
materiaren egoeraSolid
materiaren egoera gaseoso
Boiling Point
Melting Point
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore
Colorless
appearance
errefrakzio-indize
thermodynamic material property
Thermal Conductivity
Bero-dilatazio
molar heat capacity
Specific Heat Capacity
indize adiabatiko
electrical properties
type
Eroankortasun elektriko
Erresistibitate elektriko
Supereroankortasun
Magnetismo
type
suszeptibilitate magnetiko (Mass)
suszeptibilitate magnetiko (Molar)
suszeptibilitate magnetiko (Volume)
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal Structure ()
lattice constant
Lattice Angles
materialen propietate mekaniko
Gogortasun
konprimagarritasun-modulu
Zizaila modulua
Youngen modulu
Poissonen modulu
Soinuaren lastertasun
classification
CategoryTransition metals, Transition metals
CAS GroupVA
IUPAC GroupVB
Glawe Number
Mendeleev Number50
Pettifor Number
Geochemical Class
Goldschmidt classificationsynthetic

beste batzuk

Gas Basicity
polarizability
42 ± 4 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
zenbaki kuantiko4F3/2
talde espazial ()

Isotopes of Dubnium

Stable Isotopes0
Unstable Isotopes16
Natural Isotopes0

255Db

masa-zenbaki255
neutron number150
atomo-masa erlatibo
255,106919 ± 0,000304 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
54 ms
spin9/2
nuclear quadrupole moment
aurkikuntza-data1976
parity+

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

256Db

masa-zenbaki256
neutron number151
atomo-masa erlatibo
256,107674 ± 0,000201 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,7 ± 0,4 s
spin9
nuclear quadrupole moment
aurkikuntza-data2001
parity-

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

257Db

masa-zenbaki257
neutron number152
atomo-masa erlatibo
257,107520042 ± 0,000176741 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,3 ± 0,2 s
spin9/2
nuclear quadrupole moment
aurkikuntza-data1985
parity+

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

258Db

masa-zenbaki258
neutron number153
atomo-masa erlatibo
258,108972995 ± 0,000098613 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,17 ± 0,36 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1985
parity-

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

259Db

masa-zenbaki259
neutron number154
atomo-masa erlatibo
259,109491859 ± 0,000060854 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
510 ± 160 ms
spin9/2
nuclear quadrupole moment
aurkikuntza-data2001
parity+

decay modeintensity
α (α emission)100%

260Db

masa-zenbaki260
neutron number155
atomo-masa erlatibo
260,111297 ± 0,0001 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,52 ± 0,13 s
spin
nuclear quadrupole moment
aurkikuntza-data1970
parity

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

261Db

masa-zenbaki261
neutron number156
atomo-masa erlatibo
261,111979 ± 0,000118 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,7 ± 1 s
spin9/2
nuclear quadrupole moment
aurkikuntza-data1970
parity+

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

262Db

masa-zenbaki262
neutron number157
atomo-masa erlatibo
262,114067 ± 0,000154 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
34 ± 4 s
spin
nuclear quadrupole moment
aurkikuntza-data1971
parity

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

263Db

masa-zenbaki263
neutron number158
atomo-masa erlatibo
263,114987 ± 0,00018 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
29 ± 9 s
spin9/2
nuclear quadrupole moment
aurkikuntza-data1992
parity+

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

264Db

masa-zenbaki264
neutron number159
atomo-masa erlatibo
264,117297 ± 0,000253 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin
nuclear quadrupole moment
aurkikuntza-data
parity

decay modeintensity
α (α emission)

265Db

masa-zenbaki265
neutron number160
atomo-masa erlatibo
265,1185 ± 0,00024 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin9/2
nuclear quadrupole moment
aurkikuntza-data
parity+

decay modeintensity
α (α emission)

266Db

masa-zenbaki266
neutron number161
atomo-masa erlatibo
266,121032 ± 0,000304 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
80 ± 70 m
spin
nuclear quadrupole moment
aurkikuntza-data2007
parity

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

267Db

masa-zenbaki267
neutron number162
atomo-masa erlatibo
267,122399 ± 0,000402 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2 ± 1,1 h
spin9/2
nuclear quadrupole moment
aurkikuntza-data2004
parity+

decay modeintensity
SF (spontaneous fission)100%

268Db

masa-zenbaki268
neutron number163
atomo-masa erlatibo
268,125669 ± 0,000568 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
29 ± 3 h
spin
nuclear quadrupole moment
aurkikuntza-data2004
parity

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

269Db

masa-zenbaki269
neutron number164
atomo-masa erlatibo
269,127911 ± 0,000669 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin9/2
nuclear quadrupole moment
aurkikuntza-data
parity+

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

270Db

masa-zenbaki270
neutron number165
atomo-masa erlatibo
270,131399 ± 0,000617 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,7 ± 1 h
spin
nuclear quadrupole moment
aurkikuntza-data2010
parity

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

historia

aurkitzailea edo asmatzaileaA. Ghiorso, et al
aurkikuntzaren lekuaUnited States
aurkikuntza-data1970
etimologiaNamed after the city of Dubna, the site of the JINR.
pronunciationHA-ni-em (ingelesa)

source

Abundance
Abundance in Earth's crust
natural abundance (ozeano)
natural abundance (gizakiaren gorputza)
0 %
natural abundance (Meteoroide)
0 %
natural abundance (Eguzkia)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants