Lawrencium

Lawrencium (Lr)

chemical element with the atomic number of 103
Atomic Number103
Atomic Weight262
Massagetal251
Group
Period7
Blockf
proton103 p+
neutron148 n0
elektron103 e-
Animated Bohr model of Lr (Lawrencium)

Physical Property

Atoomradius
molar volume
Covalent Radius
161 pm
Metallic Radius
Ioonradius
107,4 pm
Crystal Radius
121,4 pm
Van der Waals radius
246 pm
density
15,6 g/cm³

Chemical Property

energie
proton affinity
electron affinity
ionization energy
ionization energy of Lr (Lawrencium)
Verdampingswarmte
smeltingswarmte
Vormingsentalpie
elektron
Elektronskil2, 8, 18, 32, 32, 8, 3
Bohr model: Lr (Lawrencium)
Valenselektrone2
Lewisteorie: Lr (Lawrencium)
elektronkonfigurasie[Rn] 5f14 6d1 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f14 6d1 7s2
Enhanced Bohr model of Lr (Lawrencium)
Orbital Diagram of Lr (Lawrencium)
Oksidasietoestand3
Elektronegatiwiteit
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
1 900,15 K
critical pressure
critical temperature
triple point
appearance
kleur
Colorless
appearance
Brekingsindeks
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
Geleidingsvermoë
Elektriese resistiwiteit
superconductivity
Magnetisme
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal Structure ()
lattice constant
Lattice Angles
mechanical property
hardness
Massamodulus
Skuifmodulus
Young se modulus
Poisson se verhouding
Spoed van klank
classification
CategoryActinides, Transition metals
CAS Group
IUPAC Group
Glawe Number47
Mendeleev Number42
Pettifor Number34
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
320 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number2P1/2
Ruimtegroep ()

Isotopes of Lawrencium

Stable Isotopes0
Unstable Isotopes16
Natural Isotopes0

251Lr

Massagetal251
neutron number148
relative atomic mass
251,094289 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

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

252Lr

Massagetal252
neutron number149
relative atomic mass
252,095048 ± 0,000198 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
369 ± 75 ms
spin7
nuclear quadrupole moment
ontdekkingsdatum2001
parity-

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

253Lr

Massagetal253
neutron number150
relative atomic mass
253,09503385 ± 0,000176634 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
632 ± 46 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1985
parity-

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

254Lr

Massagetal254
neutron number151
relative atomic mass
254,096238813 ± 0,000098026 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
12 ± 0,9 s
spin4
nuclear quadrupole moment
ontdekkingsdatum1981
parity+

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

255Lr

Massagetal255
neutron number152
relative atomic mass
255,096562399 ± 0,000019 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
31,1 ± 1,1 s
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1971
parity-

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

256Lr

Massagetal256
neutron number153
relative atomic mass
256,098494024 ± 0,000089 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
27,9 ± 1 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1965
parity-

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

257Lr

Massagetal257
neutron number154
relative atomic mass
257,09948 ± 0,000047 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6 ± 0,4 s
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1971
parity-

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

258Lr

Massagetal258
neutron number155
relative atomic mass
258,101753 ± 0,000109 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,92 ± 0,33 s
spin
nuclear quadrupole moment
ontdekkingsdatum1971
parity

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

259Lr

Massagetal259
neutron number156
relative atomic mass
259,1029 ± 0,000076 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6,2 ± 0,3 s
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1971
parity-

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

260Lr

Massagetal260
neutron number157
relative atomic mass
260,105504 ± 0,000134 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3 ± 0,5 m
spin
nuclear quadrupole moment
ontdekkingsdatum1971
parity

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

261Lr

Massagetal261
neutron number158
relative atomic mass
261,106879 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
39 ± 12 m
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1987
parity-

decay modeintensity
SF (spontaneous fission)100%
α (α emission)

262Lr

Massagetal262
neutron number159
relative atomic mass
262,109615 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum1987
parity

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

263Lr

Massagetal263
neutron number160
relative atomic mass
263,111293 ± 0,00024 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum
parity-

decay modeintensity
α (α emission)

264Lr

Massagetal264
neutron number161
relative atomic mass
264,114198 ± 0,000468 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

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

265Lr

Massagetal265
neutron number162
relative atomic mass
265,116193 ± 0,000587 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum
parity-

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

266Lr

Massagetal266
neutron number163
relative atomic mass
266,119874 ± 0,000579 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
22 ± 14 h
spin
nuclear quadrupole moment
ontdekkingsdatum2014
parity

decay modeintensity
SF (spontaneous fission)100%
Electron shell 103 Lawrencium

geskiedenis

Ontdek deurA.Ghiorso, T.Sikkeland, A.E.Larsh, R.M.Latimer
ligging van ontdekkingUnited States
ontdekkingsdatum1961
etimologieNamed in honor of Ernest O. Lawrence, inventor of the cyclotron.
uitspraaklor-ENS-i-em (Engels)

source

Abundance
Abundance in Earth's crust
natural abundance (oseaan)
natural abundance (human body)
0 %
natural abundance (Meteoroïde)
0 %
natural abundance (Son)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants