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 Number	105
Atomic Weight	268
masa-zenbaki	255

Group	5
Period	7
Block	d

protoi	105 p⁺
neutroi	150 n⁰
elektroi	105 e^-

Animated Bohrren eredu atomikoa of Db (Dubnio)

Propietate Fisiko

Erradio Atomiko
bolumen molar
Erradio Kobalente	149 pm 136 pm 126 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	6,8 eV/particle 14 eV/particle 23,1 eV/particle 33 eV/particle 43 eV/particle 86 eV/particle 98,9 eV/particle 126 eV/particle 145 eV/particle 172 eV/particle 196 eV/particle 220,9 eV/particle 254 eV/particle 274 eV/particle 307 eV/particle 838 eV/particle 872 eV/particle 908 eV/particle 948 eV/particle 985 eV/particle 1.022 eV/particle 1.089 eV/particle 1.126 eV/particle 1.168 eV/particle 1.207 eV/particle 3.975 eV/particle 4.057 eV/particle 4.145 eV/particle 4.237 eV/particle 4.326 eV/particle 4.411 eV/particle 4.620 eV/particle 4.710 eV/particle 4.810 eV/particle 4.900 eV/particle 5.260 eV/particle 5.350 eV/particle 5.450 eV/particle 5.530 eV/particle 6.280 eV/particle 6.380 eV/particle 6.650 eV/particle 6.760 eV/particle 10.420 eV/particle 10.610 eV/particle 10.820 eV/particle 11.040 eV/particle 11.240 eV/particle 11.440 eV/particle 12.040 eV/particle 12.250 eV/particle 12.480 eV/particle 12.700 eV/particle 13.300 eV/particle 13.500 eV/particle 13.700 eV/particle 13.900 eV/particle 16.200 eV/particle 16.400 eV/particle 16.900 eV/particle 17.100 eV/particle 33.800 eV/particle 34.300 eV/particle 34.800 eV/particle 35.300 eV/particle 43.800 eV/particle 44.500 eV/particle 45.400 eV/particle 181.444 eV/particle

Irakite-entalpia
urtze-entalpia
formazio entalpia estandarra
elektroi

elektroi geruza	2, 8, 18, 32, 32, 11, 2

balentzia-elektroi	2 ⓘ

electron configuration	[Rn] 5f¹⁴ 6d³ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 6d³ 7s²

Oxidazio-egoera	5
Elektronegatibotasun
Electrophilicity Index
materiaren funtsezko egoera

materiaren egoera	Solid
materiaren egoera gaseoso
Boiling Point
Melting Point
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore	Colorless #d1004f
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
Category	Transition metals, Transition metals
CAS Group	VA
IUPAC Group	VB
Glawe Number
Mendeleev Number	50
Pettifor Number
Geochemical Class
Goldschmidt classification	synthetic

beste batzuk

Gas Basicity
polarizability	42 ± 4 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
zenbaki kuantiko	4F3/2
talde espazial	()

Isotopes of Dubnium

Stable Isotopes	0
Unstable Isotopes	16
Natural Isotopes	0

²⁵⁵Db

masa-zenbaki	255
neutron number	150
Atomo-Masa Erlatibo	255,106919 ± 0,000304 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	54 ms
spin	9/2
nuclear quadrupole moment
aurkikuntza-data	1976
parity	+

decay mode	intensity
SF (spontaneous fission)	67%
α (α emission)

²⁵⁶Db

masa-zenbaki	256
neutron number	151
Atomo-Masa Erlatibo	256,107674 ± 0,000201 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	1,7 ± 0,4 s
spin	9
nuclear quadrupole moment
aurkikuntza-data	2001
parity	-

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

²⁵⁷Db

masa-zenbaki	257
neutron number	152
Atomo-Masa Erlatibo	257,107520042 ± 0,000176741 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	2,3 ± 0,2 s
spin	9/2
nuclear quadrupole moment
aurkikuntza-data	1985
parity	+

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

²⁵⁸Db

masa-zenbaki	258
neutron number	153
Atomo-Masa Erlatibo	258,108972995 ± 0,000098613 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	2,17 ± 0,36 s
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1985
parity	-

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

²⁵⁹Db

masa-zenbaki	259
neutron number	154
Atomo-Masa Erlatibo	259,109491859 ± 0,000060854 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	510 ± 160 ms
spin	9/2
nuclear quadrupole moment
aurkikuntza-data	2001
parity	+

decay mode	intensity
α (α emission)	100%

²⁶⁰Db

masa-zenbaki	260
neutron number	155
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-data	1970
parity

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

²⁶¹Db

masa-zenbaki	261
neutron number	156
Atomo-Masa Erlatibo	261,111979 ± 0,000118 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	4,7 ± 1 s
spin	9/2
nuclear quadrupole moment
aurkikuntza-data	1970
parity	+

decay mode	intensity
SF (spontaneous fission)	73%
α (α emission)	27%

²⁶²Db

masa-zenbaki	262
neutron number	157
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-data	1971
parity

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

²⁶³Db

masa-zenbaki	263
neutron number	158
Atomo-Masa Erlatibo	263,114987 ± 0,00018 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	29 ± 9 s
spin	9/2
nuclear quadrupole moment
aurkikuntza-data	1992
parity	+

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

²⁶⁴Db

masa-zenbaki	264
neutron number	159
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 mode	intensity
α (α emission)

²⁶⁵Db

masa-zenbaki	265
neutron number	160
Atomo-Masa Erlatibo	265,1185 ± 0,00024 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	9/2
nuclear quadrupole moment
aurkikuntza-data
parity	+

decay mode	intensity
α (α emission)

²⁶⁶Db

masa-zenbaki	266
neutron number	161
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-data	2007
parity

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

²⁶⁷Db

masa-zenbaki	267
neutron number	162
Atomo-Masa Erlatibo	267,122399 ± 0,000402 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	2 ± 1,1 h
spin	9/2
nuclear quadrupole moment
aurkikuntza-data	2004
parity	+

decay mode	intensity
SF (spontaneous fission)	100%

²⁶⁸Db

masa-zenbaki	268
neutron number	163
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-data	2004
parity

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

²⁶⁹Db

masa-zenbaki	269
neutron number	164
Atomo-Masa Erlatibo	269,127911 ± 0,000669 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	9/2
nuclear quadrupole moment
aurkikuntza-data
parity	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁷⁰Db

masa-zenbaki	270
neutron number	165
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-data	2010
parity

decay mode	intensity
SF (spontaneous fission)	87%
α (α emission)	13%

historia

aurkitzailea edo asmatzailea	A. Ghiorso, et al
aurkikuntzaren lekua	United States
aurkikuntza-data	1970
etimologia	Named after the city of Dubna, the site of the JINR.
pronunciation	HA-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

Dubnio on ChemicalAid

Australian Educational Vocabulary ID	scot/3514
CAS zenbakia	53850-35-4
DSSTOX compound identifier	DTXCID801323011
DSSTox substance ID	DTXSID30893063
Den Store Danske ID	dubnium
ECHA Substance Infocard ID	100.126.367
Elhuyar ZTH ID	064402
Encyclopedia of China (Third Edition) ID	185643
Encyclopædia Britannica Online-ren identifikatzailea	science/dubnium
Freebase-ren identifikadorea	/m/0274b33
GEC-en identifikatzailea	0272492
GND identifikadorea	4293095-9
Great Russian Encyclopedia Online ID	1969523
KBpedia ID	Dubnium
NKC-ren identifikatzailea	ph928215
OmegaWikiren esanahiaren definizioa	157650
Store norske leksikon ID	dubnium
Treccani ID	dubnio
USGS Thesaurus ID	1442

Dubnio (Db)

Propietate Fisiko

Magnitude Fisiko

beste batzuk

Isotopes of Dubnium

255Db

256Db

257Db

258Db

259Db

260Db

261Db

262Db

263Db

264Db

265Db

266Db

267Db

268Db

269Db

270Db

historia

source

Nuclear Screening Constants

²⁵⁵Db

²⁵⁶Db

²⁵⁷Db

²⁵⁸Db

²⁵⁹Db

²⁶⁰Db

²⁶¹Db

²⁶²Db

²⁶³Db

²⁶⁴Db

²⁶⁵Db

²⁶⁶Db

²⁶⁷Db

²⁶⁸Db

²⁶⁹Db

²⁷⁰Db