Lawrencij (Lr)

chemical element with the atomic number of 103

Atomski broj	103
Relativna atomska masa	262
Maseni broj	251

Skupina
Perioda	7
Blok	f

proton	103 p⁺
neutron	148 n⁰
elektron	103 e^-

Animated Bohrov model atoma of Lr (Lawrencij)

Physical Property

Atomski Radijus
Molni volumen
Kovalentni Radijus	161 pm 141 pm
Metallic Radius
Ionski radijus	107,4 pm
Crystal Radius	121,4 pm
Van der Waals radius	246 pm 323,6 pm
gustoća	15,6 g/cm³

Kemijsko Svojstvo

energija

proton affinity
Elektronski afinitet
ionization energy	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

Toplina isparivanja
toplina taljenja
standard enthalpy of formation
elektron

Elektronska ljuska	2, 8, 18, 32, 32, 8, 3

valence electron	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

Oksidacijski broj	3
Elektronegativnost	0.24844
Electrophilicity Index
fundamental state of matter

agregatno stanje	Čvrsto
gaseous state of matter
Vrelište
Talište	1.900,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja	Bezbojan #ffffff #c70066 #c70066
appearance
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
Toplinsko istezanje
molar heat capacity
Specifični toplinski kapacitet
heat capacity ratio
electrical properties
type
electrical conductivity
Električna otpornost i provodnost
Supravodljivost
Magnetizam
type
Magnetna susceptibilnost (Mass)
Magnetna susceptibilnost (Molar)
Magnetna susceptibilnost (Volume)
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna struktura	()
lattice constant
Lattice Angles
mechanical property
Tvrdoća
bulk modulus
shear modulus
Youngov modul elastičnosti
Poissonov omjer
brzina zvuka
classification
Kategorija	Aktinoidi, 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
Nuklearni udarni presjek
Neutron Mass Absorption
Kvantni brojevi	2P1/2
space group	()

Isotopes of Lawrencium

Stabilni izotopi	0
Nestabilni izotopi	16
Natural Isotopes	0

²⁵¹Lr

Maseni broj	251
neutron number	148
Relativna Atomska Masa	251,094289 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost

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

²⁵²Lr

Maseni broj	252
neutron number	149
Relativna Atomska Masa	252,095048 ± 0,000198 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	369 ± 75 ms
spin	7
nuclear quadrupole moment
vrijeme otkrića ili izuma	2001
Parnost	-

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

²⁵³Lr

Maseni broj	253
neutron number	150
Relativna Atomska Masa	253,09503385 ± 0,000176634 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	632 ± 46 ms
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1985
Parnost	-

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

²⁵⁴Lr

Maseni broj	254
neutron number	151
Relativna Atomska Masa	254,096238813 ± 0,000098026 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	12 ± 0,9 s
spin	4
nuclear quadrupole moment
vrijeme otkrića ili izuma	1981
Parnost	+

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

²⁵⁵Lr

Maseni broj	255
neutron number	152
Relativna Atomska Masa	255,096562399 ± 0,000019 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	31,1 ± 1,1 s
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1971
Parnost	-

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

²⁵⁶Lr

Maseni broj	256
neutron number	153
Relativna Atomska Masa	256,098494024 ± 0,000089 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	27,9 ± 1 s
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1965
Parnost	-

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

²⁵⁷Lr

Maseni broj	257
neutron number	154
Relativna Atomska Masa	257,09948 ± 0,000047 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	6 ± 0,4 s
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1971
Parnost	-

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

²⁵⁸Lr

Maseni broj	258
neutron number	155
Relativna Atomska Masa	258,101753 ± 0,000109 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,92 ± 0,33 s
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma	1971
Parnost

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

²⁵⁹Lr

Maseni broj	259
neutron number	156
Relativna Atomska Masa	259,1029 ± 0,000076 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	6,2 ± 0,3 s
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1971
Parnost	-

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

²⁶⁰Lr

Maseni broj	260
neutron number	157
Relativna Atomska Masa	260,105504 ± 0,000134 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3 ± 0,5 m
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma	1971
Parnost

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

²⁶¹Lr

Maseni broj	261
neutron number	158
Relativna Atomska Masa	261,106879 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	39 ± 12 m
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1987
Parnost	-

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

²⁶²Lr

Maseni broj	262
neutron number	159
Relativna Atomska Masa	262,109615 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma	1987
Parnost

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

²⁶³Lr

Maseni broj	263
neutron number	160
Relativna Atomska Masa	263,111293 ± 0,00024 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma
Parnost	-

decay mode	intensity
α (α emission)

²⁶⁴Lr

Maseni broj	264
neutron number	161
Relativna Atomska Masa	264,114198 ± 0,000468 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost

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

²⁶⁵Lr

Maseni broj	265
neutron number	162
Relativna Atomska Masa	265,116193 ± 0,000587 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma
Parnost	-

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

²⁶⁶Lr

Maseni broj	266
neutron number	163
Relativna Atomska Masa	266,119874 ± 0,000579 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	22 ± 14 h
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma	2014
Parnost

decay mode	intensity
SF (spontaneous fission)	100%

povijest

otkrio/izumio	A.Ghiorso, T.Sikkeland, A.E.Larsh, R.M.Latimer
location of discovery	United States
vrijeme otkrića ili izuma	1961
Etimologija	Named in honor of Ernest O. Lawrence, inventor of the cyclotron.
pronunciation	lor-ENS-i-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
natural abundance (ocean)
natural abundance (tijelo)	0 %
natural abundance (meteoroid)	0 %
natural abundance (Sunce)	0 %
Zastupljenost u svemiru	0 %

Nuclear Screening Constants

Lawrencij on ChemicalAid

Australian Educational Vocabulary ID	scot/3536
CAS registarski broj	22537-19-5
ChEBI ID	33397
ChemSpider ID	28934
DSSTOX compound identifier	DTXCID8099548
DSSTox substance ID	DTXSID30177057
Den Store Danske ID	lawrencium
Elhuyar ZTH ID	027359
Freebase ID	/m/025r_0l
GND identifikator	4166972-1
Gran Enciclopèdia Catalana ID	0118987
Great Russian Encyclopedia Online ID	2159168
ID oznaka u mrežnoj enciklopediji Britannici	science/lawrencium
InChI	InChI=1S/Lr
InChIKey	CNQCVBJFEGMYDW-UHFFFAOYSA-N
KBpedia ID	Lawrencium
MeSH ID	D007852
Pixiv Encyclopedia ID	ローレンシウム
Probes And Drugs ID	PD058531
PubChem ID	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
značenje prema OmegaWiki	161353

Lawrencij (Lr)

Physical Property

Kemijsko Svojstvo

other

Isotopes of Lawrencium

251Lr

252Lr

253Lr

254Lr

255Lr

256Lr

257Lr

258Lr

259Lr

260Lr

261Lr

262Lr

263Lr

264Lr

265Lr

266Lr

povijest

source

Nuclear Screening Constants

²⁵¹Lr

²⁵²Lr

²⁵³Lr

²⁵⁴Lr

²⁵⁵Lr

²⁵⁶Lr

²⁵⁷Lr

²⁵⁸Lr

²⁵⁹Lr

²⁶⁰Lr

²⁶¹Lr

²⁶²Lr

²⁶³Lr

²⁶⁴Lr

²⁶⁵Lr

²⁶⁶Lr