Lantaan

Lantaan (La)

chemical element with symbol La and atomic number 57
Atomic Number57
Atomic Weight138.90547
massiarv139
Group3
Period6
Blockd
prooton57 p+
neutron82 n0
elektron57 e-
Animated Bohri aatomiteooria of La (Lantaan)

Füüsikalised Omadused

Aatomiraadius
molaarruumala
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Lantaan0102030405060708090100110120130140150160170180190200210220230240250pmAatomiraadiusCovalent RadiusMetallic RadiusVan der Waals radius

Keemilised Omadused

energia
proton affinity
Elektronafiinsus
ionization energy
ionization energy of La (Lantaan)
aurustumissoojus
sulamissoojus
standard enthalpy of formation
elektron
elektronkiht2, 8, 18, 18, 9, 2
Bohri aatomiteooria: La (Lantaan)
valentselektron2
Lewis structure: La (Lantaan)
elektronkonfiguratsioon[Xe] 5d1 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 5d1 6s2
Enhanced Bohri aatomiteooria of La (Lantaan)
Orbital Diagram of La (Lantaan)
oksüdatsiooniaste0, 1, 2, 3
elektronegatiivsus
1.1
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
kolmikpunkt
Välimus
värvus
Silver
Välimussilvery white
Murdumisnäitaja
thermodynamic material property
Thermal Conductivity
soojuspaisumine
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Elektrijuhtivus
Eritakistus
Ülijuhtivus
Magnetism
typeparamagnetic
Magnetiline vastuvõtlikkus (Mass)
0,000000011 m³/Kg
Magnetiline vastuvõtlikkus (Molar)
0,000000001528 m³/mol
Magnetiline vastuvõtlikkus (Volume)
0,00006761
magnetic ordering
Curie punkt
Néel temperature
struktuur
Crystal StructureSimple Hexagonal (HEX)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
kõvadus
Ruumpaisumismoodul
Nihkeelastsusmoodul
Normaalelastsusmoodul
Poissoni tegur
0,28
heli kiirus
Klassifitseerimine
CategoryLanthanides, Lanthanides
CAS GroupIIIA
IUPAC GroupIIIB
Glawe Number32
Mendeleev Number13
Pettifor Number33
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

teine

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
8,98
Neutron Mass Absorption
0,0023
Kvantarv2D3/2
space group194 (P63/mmc)

Isotopes of Lanthanum

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

116La

massiarv116
neutron number59
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn
nuclear quadrupole moment
avastamise aeg
parity

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

117La

massiarv117
neutron number60
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
21,7 ± 1,8 ms
spinn3/2
nuclear quadrupole moment
avastamise aeg2001
parity+

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

118La

massiarv118
neutron number61
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn1
nuclear quadrupole moment
avastamise aeg
parity-

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

119La

massiarv119
neutron number62
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn11/2
nuclear quadrupole moment
avastamise aeg
parity-

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

120La

massiarv120
neutron number63
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
2,8 ± 0,2 s
spinn1
nuclear quadrupole moment
avastamise aeg1984
parity-

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

121La

massiarv121
neutron number64
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
5,3 ± 0,2 s
spinn11/2
nuclear quadrupole moment
avastamise aeg1988
parity-

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

122La

massiarv122
neutron number65
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
8,6 ± 0,5 s
spinn1
nuclear quadrupole moment
avastamise aeg1984
parity-

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

123La

massiarv123
neutron number66
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
17 ± 3 s
spinn11/2
nuclear quadrupole moment
avastamise aeg1978
parity-

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

124La

massiarv124
neutron number67
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
29,21 ± 0,17 s
spinn7
nuclear quadrupole moment
avastamise aeg1978
parity

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

125La

massiarv125
neutron number68
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
64,8 ± 1,2 s
spinn11/2
nuclear quadrupole moment
avastamise aeg1973
parity-

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

126La

massiarv126
neutron number69
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
54 ± 2 s
spinn5
nuclear quadrupole moment
avastamise aeg1961
parity-

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

127La

massiarv127
neutron number70
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
5,1 ± 0,1 m
spinn11/2
nuclear quadrupole moment
avastamise aeg1963
parity-

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

128La

massiarv128
neutron number71
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
5,18 ± 0,14 m
spinn5
nuclear quadrupole moment
avastamise aeg1961
parity+

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

129La

massiarv129
neutron number72
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
11,6 ± 0,2 m
spinn3/2
nuclear quadrupole moment
avastamise aeg1963
parity+

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

130La

massiarv130
neutron number73
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
8,7 ± 0,1 m
spinn3
nuclear quadrupole moment
avastamise aeg1961
parity

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

131La

massiarv131
neutron number74
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
59 ± 2 m
spinn3/2
nuclear quadrupole moment
avastamise aeg1951
parity+

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

132La

massiarv132
neutron number75
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
4,59 ± 0,04 h
spinn2
nuclear quadrupole moment
avastamise aeg1951
parity-

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

133La

massiarv133
neutron number76
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
3,912 ± 0,008 h
spinn5/2
nuclear quadrupole moment
avastamise aeg1950
parity+

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

134La

massiarv134
neutron number77
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
6,45 ± 0,16 m
spinn1
nuclear quadrupole moment
avastamise aeg1951
parity+

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

135La

massiarv135
neutron number78
Relative Atomic Mass
g-factor
1,48 ± 0,036
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
18,91 ± 0,02 h
spinn5/2
nuclear quadrupole moment
−0,4 ± 0,4
avastamise aeg1948
parity+

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

136La

massiarv136
neutron number79
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
9,87 ± 0,03 m
spinn1
nuclear quadrupole moment
avastamise aeg1950
parity+

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

137La

massiarv137
neutron number80
Relative Atomic Mass
g-factor
0,77028571428571 ± 0,0017142857142857
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
60 ± 20 ky
spinn7/2
nuclear quadrupole moment
0,21 ± 0,04
avastamise aeg1948
parity+

decay modeIntensiivsus
ϵ (electron capture)100%

138La

massiarv138
neutron number81
Relative Atomic Mass
g-factor
0,74168 ± 0,00004
natural abundance
0,08881 ± 0,00071
radioaktiivsus☢️ radioactive element
Poolestusaeg
103 ± 1 Gy
spinn5
nuclear quadrupole moment
0,39 ± 0,03
avastamise aeg1947
parity+

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

139La

massiarv139
neutron number82
Relative Atomic Mass
g-factor
0,79402857142857 ± 0,000057142857142857
natural abundance
99,91119 ± 0,00071
radioaktiivsusStabiilne isotoop
PoolestusaegNot Radioactive ☢️
spinn7/2
nuclear quadrupole moment
0,206 ± 0,004
avastamise aeg1924
parity+

140La

massiarv140
neutron number83
Relative Atomic Mass
g-factor
0,24333333333333 ± 0,005
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
40,289 ± 0,004 h
spinn3
nuclear quadrupole moment
0,087 ± 0,013
avastamise aeg1935
parity-

decay modeIntensiivsus
β (β decay)100%

141La

massiarv141
neutron number84
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
3,92 ± 0,03 h
spinn7/2
nuclear quadrupole moment
avastamise aeg1951
parity+

decay modeIntensiivsus
β (β decay)100%

142La

massiarv142
neutron number85
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
91,1 ± 0,5 m
spinn2
nuclear quadrupole moment
avastamise aeg1953
parity-

decay modeIntensiivsus
β (β decay)100%

143La

massiarv143
neutron number86
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
14,2 ± 0,1 m
spinn7/2
nuclear quadrupole moment
avastamise aeg1951
parity

decay modeIntensiivsus
β (β decay)100%

144La

massiarv144
neutron number87
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
44 ± 0,7 s
spinn3
nuclear quadrupole moment
avastamise aeg1967
parity-

decay modeIntensiivsus
β (β decay)100%

145La

massiarv145
neutron number88
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
24,8 ± 2 s
spinn5/2
nuclear quadrupole moment
avastamise aeg1974
parity+

decay modeIntensiivsus
β (β decay)100%

146La

massiarv146
neutron number89
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
9,9 ± 0,1 s
spinn5
nuclear quadrupole moment
avastamise aeg1970
parity-

decay modeIntensiivsus
β (β decay)100%

147La

massiarv147
neutron number90
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
4,026 ± 0,02 s
spinn5/2
nuclear quadrupole moment
avastamise aeg1979
parity+

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

148La

massiarv148
neutron number91
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
1,414 ± 0,025 s
spinn2
nuclear quadrupole moment
avastamise aeg1969
parity-

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

149La

massiarv149
neutron number92
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
1,071 ± 0,022 s
spinn3/2
nuclear quadrupole moment
avastamise aeg1979
parity-

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

150La

massiarv150
neutron number93
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
504 ± 15 ms
spinn3
nuclear quadrupole moment
avastamise aeg1993
parity+

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

151La

massiarv151
neutron number94
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
465 ± 24 ms
spinn1/2
nuclear quadrupole moment
0
avastamise aeg1994
parity+

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

152La

massiarv152
neutron number95
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
287 ± 16 ms
spinn2
nuclear quadrupole moment
avastamise aeg1994
parity-

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

153La

massiarv153
neutron number96
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
245 ± 18 ms
spinn1/2
nuclear quadrupole moment
0
avastamise aeg1994
parity+

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

154La

massiarv154
neutron number97
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
161 ± 15 ms
spinn2
nuclear quadrupole moment
avastamise aeg2017
parity-

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

155La

massiarv155
neutron number98
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
101 ± 28 ms
spinn1/2
nuclear quadrupole moment
0
avastamise aeg2016
parity+

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

156La

massiarv156
neutron number99
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
84 ± 78 ms
spinn4
nuclear quadrupole moment
avastamise aeg2017
parity+

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

157La

massiarv157
neutron number100
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn1/2
nuclear quadrupole moment
0
avastamise aeg2018
parity+

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

ajalugu

leiutaja või avastajaCarl Mosander
location of discoverySweden
avastamise aeg1839
etümoloogiaGreek: lanthanein (to be hidden).
pronunciationLAN-the-nem (inglise)

allikas

Abundance
Abundance in Earth's crust
natural abundance (ookean)
natural abundance (Inimkeha)
natural abundance (meteoorkeha)
0,000028 %
natural abundance (Päike)
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