Lantan

Lantan (La)

chemical element with symbol La and atomic number 57
Atomic Number57
Atomic Weight138.90547
Hejmara baristeyî139
Group3
Period6
Blockd
Proton57 p+
Notron82 n0
Kareva57 e-
Animated Bohr model of La (Lantan)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Lantan0102030405060708090100110120130140150160170180190200210220230240250pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
electron affinity
ionization energy
ionization energy of La (Lantan)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Kareva
electron shell2, 8, 18, 18, 9, 2
Bohr model: La (Lantan)
valence electron2
Lewis structure: La (Lantan)
electron configuration[Xe] 5d1 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 5d1 6s2
Enhanced Bohr model of La (Lantan)
Orbital Diagram of La (Lantan)
oxidation number0, 1, 2, 3
electronegativity
1.1
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
color
Silver
appearancesilvery white
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
electrical resistivity
superconductivity
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0,000000011 m³/Kg
magnetic susceptibility (Molar)
0,000000001528 m³/mol
magnetic susceptibility (Volume)
0,00006761
magnetic ordering
Germahiya Curie
Néel temperature
pêkhate
Crystal StructureSimple Hexagonal (HEX)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
0,28
Leza dengê
classification
CategoryLanthanides, Lanthanides
CAS GroupIIIA
IUPAC GroupIIIB
Glawe Number32
Mendeleev Number13
Pettifor Number33
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
8,98
Neutron Mass Absorption
0,0023
quantum number2D3/2
space group194 (P63/mmc)

Isotopes of Lanthanum

Stable Isotopes1
Unstable Isotopes41
Natural Isotopes2
Isotopic Composition13999.91%13999.91%1380.09%1380.09%

116La

Hejmara baristeyî116
neutron number59
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)
p (proton emission)

117La

Hejmara baristeyî117
neutron number60
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
21,7 ± 1,8 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2001
parity+

decay modeintensity
p (proton emission)100%
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

118La

Hejmara baristeyî118
neutron number61
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

119La

Hejmara baristeyî119
neutron number62
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin11/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

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

120La

Hejmara baristeyî120
neutron number63
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,8 ± 0,2 s
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1984
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)

121La

Hejmara baristeyî121
neutron number64
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,3 ± 0,2 s
spin11/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1988
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)

122La

Hejmara baristeyî122
neutron number65
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8,6 ± 0,5 s
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1984
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)

123La

Hejmara baristeyî123
neutron number66
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
17 ± 3 s
spin11/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1978
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

124La

Hejmara baristeyî124
neutron number67
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
29,21 ± 0,17 s
spin7
nuclear quadrupole moment
dema îcadkirinê yan keşfê1978
parity

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

125La

Hejmara baristeyî125
neutron number68
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
64,8 ± 1,2 s
spin11/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1973
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

126La

Hejmara baristeyî126
neutron number69
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
54 ± 2 s
spin5
nuclear quadrupole moment
dema îcadkirinê yan keşfê1961
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

127La

Hejmara baristeyî127
neutron number70
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,1 ± 0,1 m
spin11/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1963
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

128La

Hejmara baristeyî128
neutron number71
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,18 ± 0,14 m
spin5
nuclear quadrupole moment
dema îcadkirinê yan keşfê1961
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

129La

Hejmara baristeyî129
neutron number72
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
11,6 ± 0,2 m
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1963
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

130La

Hejmara baristeyî130
neutron number73
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8,7 ± 0,1 m
spin3
nuclear quadrupole moment
dema îcadkirinê yan keşfê1961
parity

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

131La

Hejmara baristeyî131
neutron number74
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
59 ± 2 m
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1951
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

132La

Hejmara baristeyî132
neutron number75
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4,59 ± 0,04 h
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1951
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

133La

Hejmara baristeyî133
neutron number76
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,912 ± 0,008 h
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1950
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

134La

Hejmara baristeyî134
neutron number77
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
6,45 ± 0,16 m
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1951
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

135La

Hejmara baristeyî135
neutron number78
Giraniya Atomê
g-factor
1,48 ± 0,036
natural abundance
radioactivity☢️ radioactive element
half-life
18,91 ± 0,02 h
spin5/2
nuclear quadrupole moment
-0,4 ± 0,4
dema îcadkirinê yan keşfê1948
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

136La

Hejmara baristeyî136
neutron number79
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9,87 ± 0,03 m
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1950
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

137La

Hejmara baristeyî137
neutron number80
Giraniya Atomê
g-factor
0,77028571428571 ± 0,0017142857142857
natural abundance
radioactivity☢️ radioactive element
half-life
60 ± 20 ky
spin7/2
nuclear quadrupole moment
0,21 ± 0,04
dema îcadkirinê yan keşfê1948
parity+

decay modeintensity
ϵ (electron capture)100%

138La

Hejmara baristeyî138
neutron number81
Giraniya Atomê
g-factor
0,74168 ± 0,00004
natural abundance
0,08881 ± 0,00071
radioactivity☢️ radioactive element
half-life
103 ± 1 Gy
spin5
nuclear quadrupole moment
0,39 ± 0,03
dema îcadkirinê yan keşfê1947
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)65.5%
β (β decay)34.5%

139La

Hejmara baristeyî139
neutron number82
Giraniya Atomê
g-factor
0,79402857142857 ± 0,000057142857142857
natural abundance
99,91119 ± 0,00071
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
0,206 ± 0,004
dema îcadkirinê yan keşfê1924
parity+

140La

Hejmara baristeyî140
neutron number83
Giraniya Atomê
g-factor
0,24333333333333 ± 0,005
natural abundance
radioactivity☢️ radioactive element
half-life
40,289 ± 0,004 h
spin3
nuclear quadrupole moment
0,087 ± 0,013
dema îcadkirinê yan keşfê1935
parity-

decay modeintensity
β (β decay)100%

141La

Hejmara baristeyî141
neutron number84
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,92 ± 0,03 h
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1951
parity+

decay modeintensity
β (β decay)100%

142La

Hejmara baristeyî142
neutron number85
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
91,1 ± 0,5 m
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1953
parity-

decay modeintensity
β (β decay)100%

143La

Hejmara baristeyî143
neutron number86
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
14,2 ± 0,1 m
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1951
parity

decay modeintensity
β (β decay)100%

144La

Hejmara baristeyî144
neutron number87
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
44 ± 0,7 s
spin3
nuclear quadrupole moment
dema îcadkirinê yan keşfê1967
parity-

decay modeintensity
β (β decay)100%

145La

Hejmara baristeyî145
neutron number88
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
24,8 ± 2 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1974
parity+

decay modeintensity
β (β decay)100%

146La

Hejmara baristeyî146
neutron number89
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9,9 ± 0,1 s
spin5
nuclear quadrupole moment
dema îcadkirinê yan keşfê1970
parity-

decay modeintensity
β (β decay)100%

147La

Hejmara baristeyî147
neutron number90
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4,026 ± 0,02 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1979
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.041%

148La

Hejmara baristeyî148
neutron number91
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,414 ± 0,025 s
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1969
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.18%

149La

Hejmara baristeyî149
neutron number92
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,071 ± 0,022 s
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1979
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.43%

150La

Hejmara baristeyî150
neutron number93
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
504 ± 15 ms
spin3
nuclear quadrupole moment
dema îcadkirinê yan keşfê1993
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)2.7%

151La

Hejmara baristeyî151
neutron number94
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
465 ± 24 ms
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1994
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)

152La

Hejmara baristeyî152
neutron number95
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
287 ± 16 ms
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1994
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)

153La

Hejmara baristeyî153
neutron number96
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
245 ± 18 ms
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1994
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

154La

Hejmara baristeyî154
neutron number97
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
161 ± 15 ms
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2017
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

155La

Hejmara baristeyî155
neutron number98
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
101 ± 28 ms
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2016
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

156La

Hejmara baristeyî156
neutron number99
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
84 ± 78 ms
spin4
nuclear quadrupole moment
dema îcadkirinê yan keşfê2017
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)

157La

Hejmara baristeyî157
neutron number100
Giraniya Atomê
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2018
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Lanthan 1-cropflipped

dîrok

kaşîf an îcadkerCarl Mosander
location of discoverySweden
dema îcadkirinê yan keşfê1839
BêjenasîGreek: lanthanein (to be hidden).
pronunciationLAN-the-nem (îngilîzî)

source

Abundance
Abundance in Earth's crust
natural abundance (Okyanûs)
natural abundance (human body)
natural abundance (meteoroid)
0,000028 %
natural abundance (Roj)
0,0000002 %
Abundance in Universe
0,0000002 %

Nuclear Screening Constants

1s1.1317
2p4.2044
2s15.0466
3d13.9398
3p18.8604
3s19.0569
4d32.2748
4f55.64
4p29.2936
4s28.2036
5p41.104
5s39.189
6s47.688