Lorencium, ²Lawrenciumi

Lorencium, ²Lawrenciumi (Lr)

chemical element with the atomic number of 103
Atomic Number103
Atomic Weight262
Numri i masës251
Group
Period7
Blockf
protoni103 p+
neutroni148 n0
elektroni103 e-
Animated Bohr model of Lr (Lorencium, ²Lawrenciumi)

Tipar Fizik

Atomic Radius
molar volume
covalent radius
161 pm
Metallic Radius
ionic radius
107,4 pm
Crystal Radius
121,4 pm
Van der Waals radius
246 pm
density
15,6 g/cm³

Chemical Property

energjia
proton affinity
electron affinity
ionization energy
ionization energy of Lr (Lorencium, ²Lawrenciumi)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektroni
electron shell2, 8, 18, 32, 32, 8, 3
Bohr model: Lr (Lorencium, ²Lawrenciumi)
valence electron2
Lewis structure: Lr (Lorencium, ²Lawrenciumi)
konfigurimi i elektronit[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 (Lorencium, ²Lawrenciumi)
Orbital Diagram of Lr (Lorencium, ²Lawrenciumi)
oxidation number3
Elektronegativiteti
Electrophilicity Index
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
Melting Point
1 900,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra
Colorless
appearance
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
electrical resistivity
Superpërcjellshmëria
Magnetizimi
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
strukturë
Crystal Structure ()
lattice constant
Lattice Angles
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Shpejtësia e zërit
klasifikim
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
numër kuantik2P1/2
space group ()

Isotopes of Lawrencium

Stable Isotopes0
Unstable Isotopes16
Natural Isotopes0

251Lr

Numri i masës251
numri i neutroneve148
relative atomic mass
251,094289 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity

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

252Lr

Numri i masës252
numri i neutroneve149
relative atomic mass
252,095048 ± 0,000198 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
369 ± 75 ms
Spini7
nuclear quadrupole moment
koha e zbulimit apo shpikjes2001
parity-

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

253Lr

Numri i masës253
numri i neutroneve150
relative atomic mass
253,09503385 ± 0,000176634 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
632 ± 46 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1985
parity-

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

254Lr

Numri i masës254
numri i neutroneve151
relative atomic mass
254,096238813 ± 0,000098026 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
12 ± 0,9 s
Spini4
nuclear quadrupole moment
koha e zbulimit apo shpikjes1981
parity+

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

255Lr

Numri i masës255
numri i neutroneve152
relative atomic mass
255,096562399 ± 0,000019 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
31,1 ± 1,1 s
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1971
parity-

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

256Lr

Numri i masës256
numri i neutroneve153
relative atomic mass
256,098494024 ± 0,000089 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
27,9 ± 1 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1965
parity-

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

257Lr

Numri i masës257
numri i neutroneve154
relative atomic mass
257,09948 ± 0,000047 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
6 ± 0,4 s
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1971
parity-

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

258Lr

Numri i masës258
numri i neutroneve155
relative atomic mass
258,101753 ± 0,000109 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,92 ± 0,33 s
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes1971
parity

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

259Lr

Numri i masës259
numri i neutroneve156
relative atomic mass
259,1029 ± 0,000076 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
6,2 ± 0,3 s
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1971
parity-

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

260Lr

Numri i masës260
numri i neutroneve157
relative atomic mass
260,105504 ± 0,000134 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3 ± 0,5 m
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes1971
parity

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

261Lr

Numri i masës261
numri i neutroneve158
relative atomic mass
261,106879 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
39 ± 12 m
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1987
parity-

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

262Lr

Numri i masës262
numri i neutroneve159
relative atomic mass
262,109615 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes1987
parity

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

263Lr

Numri i masës263
numri i neutroneve160
relative atomic mass
263,111293 ± 0,00024 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes
parity-

decay modeintensitet
α (α emission)

264Lr

Numri i masës264
numri i neutroneve161
relative atomic mass
264,114198 ± 0,000468 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity

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

265Lr

Numri i masës265
numri i neutroneve162
relative atomic mass
265,116193 ± 0,000587 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes
parity-

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

266Lr

Numri i masës266
numri i neutroneve163
relative atomic mass
266,119874 ± 0,000579 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
22 ± 14 h
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes2014
parity

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

historia

zbuluesA.Ghiorso, T.Sikkeland, A.E.Larsh, R.M.Latimer
vendndodhja e zbulimitUnited States
koha e zbulimit apo shpikjes1961
EtimologjiaNamed in honor of Ernest O. Lawrence, inventor of the cyclotron.
pronunciationlor-ENS-i-em (anglisht)

burim

Abundance
Abundance in Earth's crust
natural abundance (Oqeani)
natural abundance (Trupi i njeriut)
0 %
natural abundance (meteoroid)
0 %
natural abundance (Diell)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants