Laurentzioa (Lr)

Zenbaki atomikoa 103 duen elementu kimiko artifizial eta erradioaktiboa, bizitza laburrekoa. Bi isotopo ditu, eta kalifornioa boro-ioiekin bonbardatuz lortzen da

Atomic Number	103
Atomic Weight	262
masa-zenbaki	251

Group
Period	7
Block	f

protoi	103 p⁺
neutroi	148 n⁰
elektroi	103 e^-

Animated Bohrren eredu atomikoa of Lr (Laurentzioa)

Propietate Fisiko

Erradio Atomiko
bolumen molar
Erradio Kobalente	161 pm 141 pm
Metallic Radius
Erradio ioniko	107,4 pm
Crystal Radius	121,4 pm
Van der Waalsen erradio	246 pm 323,6 pm
dentsitatea	15,6 g/cm³

Magnitude Fisiko

{ERROR}

energia

proton affinity
Afinitate elektroniko
ionizazio energia	4,9 eV/particle 14,3 eV/particle 21,4 eV/particle 43,6 eV/particle 56 eV/particle 80 eV/particle 96 eV/particle 121 eV/particle 143 eV/particle 165 eV/particle 197 eV/particle 216 eV/particle 244 eV/particle 269 eV/particle 290 eV/particle 320 eV/particle 344 eV/particle 374 eV/particle 403 eV/particle 431 eV/particle 460 eV/particle 487 eV/particle 510 eV/particle 540 eV/particle 560 eV/particle 745 eV/particle 779 eV/particle 814 eV/particle 852 eV/particle 888 eV/particle 922 eV/particle 985 eV/particle 1.020 eV/particle 1.061 eV/particle 1.098 eV/particle 1.280 eV/particle 1.320 eV/particle 1.360 eV/particle 1.410 eV/particle 1.570 eV/particle 1.620 eV/particle 1.760 eV/particle 1.810 eV/particle 2.010 eV/particle 2.100 eV/particle 2.190 eV/particle 2.290 eV/particle 2.380 eV/particle 2.470 eV/particle 2.570 eV/particle 2.670 eV/particle 2.780 eV/particle 2.860 eV/particle 2.960 eV/particle 3.060 eV/particle 3.150 eV/particle 3.250 eV/particle 3.741 eV/particle 3.821 eV/particle 3.906 eV/particle 3.996 eV/particle 4.082 eV/particle 4.165 eV/particle 4.360 eV/particle 4.448 eV/particle 4.540 eV/particle 4.630 eV/particle 4.990 eV/particle 5.070 eV/particle 5.160 eV/particle 5.250 eV/particle 5.920 eV/particle 6.030 eV/particle 6.290 eV/particle 6.390 eV/particle 9.920 eV/particle 10.110 eV/particle 10.310 eV/particle 10.520 eV/particle 10.720 eV/particle 10.920 eV/particle 11.480 eV/particle 11.680 eV/particle 11.910 eV/particle 12.120 eV/particle 12.710 eV/particle 12.890 eV/particle 13.090 eV/particle 13.300 eV/particle 15.300 eV/particle 15.600 eV/particle 16.000 eV/particle 16.200 eV/particle 32.400 eV/particle 32.900 eV/particle 33.400 eV/particle 33.900 eV/particle 41.600 eV/particle 42.300 eV/particle 43.200 eV/particle 43.759 eV/particle 172.930 eV/particle

Irakite-entalpia
urtze-entalpia
formazio entalpia estandarra
elektroi

elektroi geruza	2, 8, 18, 32, 32, 8, 3

balentzia-elektroi	2 ⓘ

electron configuration	[Rn] 5f¹⁴ 6d¹ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 6d¹ 7s²

Oxidazio-egoera	3
Elektronegatibotasun	0.24844
Electrophilicity Index
materiaren funtsezko egoera

materiaren egoera
materiaren egoera gaseoso
Boiling Point
Melting Point	1.900,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore	Black #ffffff #c70066 #c70066
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	{ERROR}
lattice constant
Lattice Angles
materialen propietate mekaniko
Gogortasun
konprimagarritasun-modulu
Zizaila modulua
Youngen modulu
Poissonen modulu
Soinuaren lastertasun
classification
Category	Actinides, Transition metals
CAS Group
IUPAC Group
Glawe Number	47
Mendeleev Number	42
Pettifor Number	34
Geochemical Class
Goldschmidt classification	synthetic

beste batzuk

Gas Basicity
polarizability	320 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
zenbaki kuantiko	2P1/2
talde espazial	()

Isotopes of Lawrencium

Stable Isotopes	0
Unstable Isotopes	16
Natural Isotopes	0

²⁵¹Lr

masa-zenbaki	251
neutron number	148
Atomo-Masa Erlatibo	251,094289 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin
nuclear quadrupole moment
aurkikuntza-data
parity

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

²⁵²Lr

masa-zenbaki	252
neutron number	149
Atomo-Masa Erlatibo	252,095048 ± 0,000198 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	369 ± 75 ms
spin	7
nuclear quadrupole moment
aurkikuntza-data	2001
parity	-

decay mode	intensity
α (α emission)	98%
SF (spontaneous fission)	2%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²⁵³Lr

masa-zenbaki	253
neutron number	150
Atomo-Masa Erlatibo	253,09503385 ± 0,000176634 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	632 ± 46 ms
spin	7/2
nuclear quadrupole moment
aurkikuntza-data	1985
parity	-

decay mode	intensity
α (α emission)	90%
SF (spontaneous fission)	1%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²⁵⁴Lr

masa-zenbaki	254
neutron number	151
Atomo-Masa Erlatibo	254,096238813 ± 0,000098026 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	12 ± 0,9 s
spin	4
nuclear quadrupole moment
aurkikuntza-data	1981
parity	+

decay mode	intensity
α (α emission)	71.7%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	28.3%
SF (spontaneous fission)	0.1%

²⁵⁵Lr

masa-zenbaki	255
neutron number	152
Atomo-Masa Erlatibo	255,096562399 ± 0,000019 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	31,1 ± 1,1 s
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	1971
parity	-

decay mode	intensity
α (α emission)	99.7%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	0.3%
SF (spontaneous fission)

²⁵⁶Lr

masa-zenbaki	256
neutron number	153
Atomo-Masa Erlatibo	256,098494024 ± 0,000089 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	27,9 ± 1 s
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1965
parity	-

decay mode	intensity
α (α emission)	85%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	15%
SF (spontaneous fission)	0.03%

²⁵⁷Lr

masa-zenbaki	257
neutron number	154
Atomo-Masa Erlatibo	257,09948 ± 0,000047 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	6 ± 0,4 s
spin	7/2
nuclear quadrupole moment
aurkikuntza-data	1971
parity	-

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

²⁵⁸Lr

masa-zenbaki	258
neutron number	155
Atomo-Masa Erlatibo	258,101753 ± 0,000109 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	3,92 ± 0,33 s
spin
nuclear quadrupole moment
aurkikuntza-data	1971
parity

decay mode	intensity
α (α emission)	97.4%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	2.6%

²⁵⁹Lr

masa-zenbaki	259
neutron number	156
Atomo-Masa Erlatibo	259,1029 ± 0,000076 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	6,2 ± 0,3 s
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	1971
parity	-

decay mode	intensity
α (α emission)	78%
SF (spontaneous fission)	22%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²⁶⁰Lr

masa-zenbaki	260
neutron number	157
Atomo-Masa Erlatibo	260,105504 ± 0,000134 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	3 ± 0,5 m
spin
nuclear quadrupole moment
aurkikuntza-data	1971
parity

decay mode	intensity
α (α emission)	80%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	20%

²⁶¹Lr

masa-zenbaki	261
neutron number	158
Atomo-Masa Erlatibo	261,106879 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	39 ± 12 m
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	1987
parity	-

decay mode	intensity
SF (spontaneous fission)	100%
α (α emission)

²⁶²Lr

masa-zenbaki	262
neutron number	159
Atomo-Masa Erlatibo	262,109615 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin
nuclear quadrupole moment
aurkikuntza-data	1987
parity

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
SF (spontaneous fission)	10%
α (α emission)

²⁶³Lr

masa-zenbaki	263
neutron number	160
Atomo-Masa Erlatibo	263,111293 ± 0,00024 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data
parity	-

decay mode	intensity
α (α emission)

²⁶⁴Lr

masa-zenbaki	264
neutron number	161
Atomo-Masa Erlatibo	264,114198 ± 0,000468 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin
nuclear quadrupole moment
aurkikuntza-data
parity

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

²⁶⁵Lr

masa-zenbaki	265
neutron number	162
Atomo-Masa Erlatibo	265,116193 ± 0,000587 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data
parity	-

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

²⁶⁶Lr

masa-zenbaki	266
neutron number	163
Atomo-Masa Erlatibo	266,119874 ± 0,000579 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	22 ± 14 h
spin
nuclear quadrupole moment
aurkikuntza-data	2014
parity

decay mode	intensity
SF (spontaneous fission)	100%

historia

aurkitzailea edo asmatzailea	A.Ghiorso, T.Sikkeland, A.E.Larsh, R.M.Latimer
aurkikuntzaren lekua	United States
aurkikuntza-data	1961
etimologia	Named in honor of Ernest O. Lawrence, inventor of the cyclotron.
pronunciation	lor-ENS-i-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

Laurentzioa on ChemicalAid

Laurentzioa (Lr)

Propietate Fisiko

Magnitude Fisiko

beste batzuk

Isotopes of Lawrencium

251Lr

252Lr

253Lr

254Lr

255Lr

256Lr

257Lr

258Lr

259Lr

260Lr

261Lr

262Lr

263Lr

264Lr

265Lr

266Lr

historia

source

Nuclear Screening Constants

²⁵¹Lr

²⁵²Lr

²⁵³Lr

²⁵⁴Lr

²⁵⁵Lr

²⁵⁶Lr

²⁵⁷Lr

²⁵⁸Lr

²⁵⁹Lr

²⁶⁰Lr

²⁶¹Lr

²⁶²Lr

²⁶³Lr

²⁶⁴Lr

²⁶⁵Lr

²⁶⁶Lr