Lourensijs (Lr)

chemical element with the atomic number of 103

Atomic Number	103
Atomic Weight	262
Masas skaitlis	251

Group
Period	7
Block	f

protons	103 p⁺
neitrons	148 n⁰
elektrons	103 e^-

Animated Bora atoma struktūras modelis of Lr (Lourensijs)

Fizikāla Īpašība

Atoma Rādiuss
molar volume
Covalent Radius	161 pm 141 pm
Metallic Radius
ionic radius	107,4 pm
Crystal Radius	121,4 pm
Van der Waals radius	246 pm 323,6 pm
blīvums	15,6 g/cm³

Chemical Property

enerģija

proton affinity
Elektrontieksme
jonizācijas potenciāls	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

enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektrons

electron shell	2, 8, 18, 32, 32, 8, 3

vērtības elektrons	2 ⓘ

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

Oksidēšanas pakāpe	3
elektronegativitāte	0.24844
Electrophilicity Index
fundamentālais agregātstāvoklis

agregātstāvoklis	Solid
gaseous state of matter
Boiling Point
Melting Point	1 900,15 K
critical pressure
critical temperature
trīskāršais punkts
appearance
krāsa	Colorless #ffffff #c70066 #c70066
appearance
Laušanas koeficients
thermodynamic material property
Thermal Conductivity
Termiskā izplešanās
Molārā siltumietilpība
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
īpatnējā pretestība
Supravadītspēja
Magnētisms
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
struktūra
Crystal Structure	()
lattice constant
Lattice Angles
mechanical property
Cietība
tilpuma elastības modulis
shear modulus
Junga modulis
Poisson's ratio
skaņas ātrums
klasifikācija
Category	Actinides, Transition metals
CAS Group
IUPAC Group
Glawe Number	47
Mendeleev Number	42
Pettifor Number	34
Geochemical Class
Goldschmidt classification	synthetic

other

Gas Basicity
polarizability	320 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number	2P1/2
space group	()

Isotopes of Lawrencium

Stable Isotopes	0
Unstable Isotopes	16
Natural Isotopes	0

²⁵¹Lr

Masas skaitlis	251
neutron number	148
Relative Atomic Mass	251,094289 ± 0,000215 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins
nuclear quadrupole moment
atklāšanas datums
parity

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

²⁵²Lr

Masas skaitlis	252
neutron number	149
Relative Atomic Mass	252,095048 ± 0,000198 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	369 ± 75 ms
spins	7
nuclear quadrupole moment
atklāšanas datums	2001
parity	-

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

²⁵³Lr

Masas skaitlis	253
neutron number	150
Relative Atomic Mass	253,09503385 ± 0,000176634 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	632 ± 46 ms
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1985
parity	-

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

²⁵⁴Lr

Masas skaitlis	254
neutron number	151
Relative Atomic Mass	254,096238813 ± 0,000098026 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	12 ± 0,9 s
spins	4
nuclear quadrupole moment
atklāšanas datums	1981
parity	+

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

²⁵⁵Lr

Masas skaitlis	255
neutron number	152
Relative Atomic Mass	255,096562399 ± 0,000019 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	31,1 ± 1,1 s
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1971
parity	-

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

²⁵⁶Lr

Masas skaitlis	256
neutron number	153
Relative Atomic Mass	256,098494024 ± 0,000089 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	27,9 ± 1 s
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1965
parity	-

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

²⁵⁷Lr

Masas skaitlis	257
neutron number	154
Relative Atomic Mass	257,09948 ± 0,000047 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	6 ± 0,4 s
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1971
parity	-

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

²⁵⁸Lr

Masas skaitlis	258
neutron number	155
Relative Atomic Mass	258,101753 ± 0,000109 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	3,92 ± 0,33 s
spins
nuclear quadrupole moment
atklāšanas datums	1971
parity

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

²⁵⁹Lr

Masas skaitlis	259
neutron number	156
Relative Atomic Mass	259,1029 ± 0,000076 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	6,2 ± 0,3 s
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1971
parity	-

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

²⁶⁰Lr

Masas skaitlis	260
neutron number	157
Relative Atomic Mass	260,105504 ± 0,000134 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	3 ± 0,5 m
spins
nuclear quadrupole moment
atklāšanas datums	1971
parity

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

²⁶¹Lr

Masas skaitlis	261
neutron number	158
Relative Atomic Mass	261,106879 ± 0,000215 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	39 ± 12 m
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1987
parity	-

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

²⁶²Lr

Masas skaitlis	262
neutron number	159
Relative Atomic Mass	262,109615 ± 0,000215 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins
nuclear quadrupole moment
atklāšanas datums	1987
parity

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

²⁶³Lr

Masas skaitlis	263
neutron number	160
Relative Atomic Mass	263,111293 ± 0,00024 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums
parity	-

decay mode	intensity
α (α emission)

²⁶⁴Lr

Masas skaitlis	264
neutron number	161
Relative Atomic Mass	264,114198 ± 0,000468 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins
nuclear quadrupole moment
atklāšanas datums
parity

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

²⁶⁵Lr

Masas skaitlis	265
neutron number	162
Relative Atomic Mass	265,116193 ± 0,000587 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums
parity	-

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

²⁶⁶Lr

Masas skaitlis	266
neutron number	163
Relative Atomic Mass	266,119874 ± 0,000579 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	22 ± 14 h
spins
nuclear quadrupole moment
atklāšanas datums	2014
parity

decay mode	intensity
SF (spontaneous fission)	100%

vēsture

atklājējs vai izgudrotājs	A.Ghiorso, T.Sikkeland, A.E.Larsh, R.M.Latimer
atraduma atrašanās vieta	United States
atklāšanas datums	1961
Etimoloģija	Named in honor of Ernest O. Lawrence, inventor of the cyclotron.
izruna	lor-ENS-i-em (angļu)

avots

Abundance
Abundance in Earth's crust
natural abundance (okeāns)
natural abundance (cilvēka ķermenis)	0 %
natural abundance (meteoroīds)	0 %
natural abundance (Saule)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Lourensijs on ChemicalAid

Austrālijas Izglītības vārdnīcas identifikators	scot/3536
CAS reģistrācijas numurs	22537-19-5
ChEBI ID	33397
ChemSpider ID	28934
DSSTOX compound identifier	DTXCID8099548
DSSTox identifikators	DTXSID30177057
Den Store Danske ID	lawrencium
Elhuyar ZTH ID	027359
Encyclopædia Britannica tiešsaistes ID	science/lawrencium
Freebase identifikators	/m/025r_0l
GND identifikators	4166972-1
InChI	InChI=1S/Lr
InChIKey	CNQCVBJFEGMYDW-UHFFFAOYSA-N
KBpedia ID	Lawrencium
Katalāņu Lielās enciklopēdijas kods	0118987
Krievijas Lielās enciklopēdijas tiešsaistes kods	2159168
MeSH ID	D007852
OmegaWiki definētā nozīme	161353
Pixiv Encyclopedia ID	ローレンシウム
Probes And Drugs ID	PD058531
PubChem ID (CID)	31192
Römpp online ID	RD-12-00553
Store norske leksikon ID	lawrencium
Treccani ID	laurenzio
UNII	QRT37X99RQ
USGS Thesaurus ID	1491
WordNet 3.1 Synset ID	14667501-n

Lourensijs (Lr)

Fizikāla Īpašība

Chemical Property

other

Isotopes of Lawrencium

251Lr

252Lr

253Lr

254Lr

255Lr

256Lr

257Lr

258Lr

259Lr

260Lr

261Lr

262Lr

263Lr

264Lr

265Lr

266Lr

vēsture

avots

Nuclear Screening Constants

²⁵¹Lr

²⁵²Lr

²⁵³Lr

²⁵⁴Lr

²⁵⁵Lr

²⁵⁶Lr

²⁵⁷Lr

²⁵⁸Lr

²⁵⁹Lr

²⁶⁰Lr

²⁶¹Lr

²⁶²Lr

²⁶³Lr

²⁶⁴Lr

²⁶⁵Lr

²⁶⁶Lr