Liti

Liti (Li)

chemical element with symbol Li and atomic number 3
Atomic Number3
Atomic Weight6.94
mass number7
Group1
Period2
Blocks
proton3 p+
neutron4 n0
electron3 e-
Animated Bohr model of Li (Liti)

Proprietat Fisica

Rai Atomic
145 pm
molar volume
covalent radius
133 pm
Metallic Radius
123 pm
ionic radius
59 pm
Crystal Radius
73 pm
Rai de van der Waals
182 pm
densitat
0.534 g/cm³
Atomic Radii Of The Elements: Liti0102030405060708090100110120130140150160170180190pmRai AtomicCovalent RadiusMetallic RadiusRai de van der Waals

Chemical Property

energia
proton affinity
electron affinity
0.618049 eV/particle
ionization energy
5.391714761 eV/particle
ionization energy of Li (Liti)
enthalpy of vaporization
148 kJ/mol
enthalpy of fusion
2.89 kJ/mol
standard enthalpy of formation
159.3 kJ/mol
electron
electron shell2, 1
Bohr model: Li (Liti)
valence electron1
Lewis structure: Li (Liti)
electron configuration[He] 2s1
1s2 2s1
Enhanced Bohr model of Li (Liti)
Orbital Diagram of Li (Liti)
oxidation number0, 1
Electronegativitat
0.98
Electrophilicity Index
0.9457422835847783 eV/particle
fundamental state of matter
estat de la matèriaSolid
gaseous state of matter
Boiling Point
1615.15 K
Melting Point
453.65 K
critical pressure
67 MPa
critical temperature
3223.15 K
Ponch triple
appearance
Color
Silver
appearancesilvery-white
Indici de refraccion
thermodynamic material property
Thermal Conductivity
84.8 W/(m K)
thermal expansion
0.000046 1/K
molar heat capacity
24.86 J/(mol K)
Specific Heat Capacity
3.582 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
11 MS/m
electrical resistivity
0.00000009400000000002 m Ω
superconductivity
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0.0000000256 m³/Kg
magnetic susceptibility (Molar)
0.000000000178 m³/mol
magnetic susceptibility (Volume)
0.0000137
magnetic ordering
Curie temperature
Néel temperature
estructura
Crystal StructureBody Centered Cubic (BCC)
lattice constant
3.49 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Duretat
0.6 MPa
bulk modulus
11 GPa
shear modulus
4.2 GPa
Young's modulus
4.9 GPa
Poisson's ratio
speed of sound
6000 m/s
classification
CategoryAlkali metals, Alkali metals
CAS GroupIA
IUPAC GroupIA
Glawe Number12
Mendeleev Number1
Pettifor Number12
Geochemical Classalkali metal
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
164.1125 ± 0.0005 a₀
C6 Dispersion Coefficient
1392 a₀
allotrope
Neutron cross section
71
Neutron Mass Absorption
quantum number2S1/2
space group229 (Im_3m)

Isotopes of Lithium

Stable Isotopes2
Unstable Isotopes9
Natural Isotopes2
Isotopic Composition795.15%795.15%64.85%64.85%

3Li

mass number3
neutron number0
relative atomic mass
3.030775 ± 0.002147 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin3/2
nuclear quadrupole moment
data de descobèrta
parity-

decay modeintensity
p (proton emission)

4Li

mass number4
neutron number1
relative atomic mass
4.027185561 ± 0.000227733 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
91 ± 9 ys
Espin2
nuclear quadrupole moment
data de descobèrta1965
parity-

decay modeintensity
p (proton emission)100%

5Li

mass number5
neutron number2
relative atomic mass
5.0125378 ± 0.000053677 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
370 ± 30 ys
Espin3/2
nuclear quadrupole moment
data de descobèrta1941
parity-

decay modeintensity
p (proton emission)100%

6Li

mass number6
neutron number3
relative atomic mass
6.01512288742 ± 0.00000000155 Da
g-factor
0.822043 ± 0.000003
natural abundance
4.85 ± 1.71
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin1
nuclear quadrupole moment
-0.000806 ± 0.000006
data de descobèrta1921
parity+

7Li

mass number7
neutron number4
relative atomic mass
7.01600343426 ± 0.0000000045 Da
g-factor
2.170938 ± 0.000008
natural abundance
95.15 ± 1.71
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin3/2
nuclear quadrupole moment
-0.04 ± 0.0003
data de descobèrta1921
parity-

8Li

mass number8
neutron number5
relative atomic mass
8.022486244 ± 0.00000005 Da
g-factor
0.82675 ± 0.00001
natural abundance
Radioactivitat☢️ radioactive element
Semivida
838.7 ± 0.3 ms
Espin2
nuclear quadrupole moment
0.0314 ± 0.0002
data de descobèrta1935
parity+

decay modeintensity
β (β decay)100%
βα (β-delayed α emission)100%

9Li

mass number9
neutron number6
relative atomic mass
9.026790191 ± 0.0000002 Da
g-factor
2.2911066666667 ± 0.00004
natural abundance
Radioactivitat☢️ radioactive element
Semivida
178.2 ± 0.4 ms
Espin3/2
nuclear quadrupole moment
-0.0304 ± 0.0002
data de descobèrta1951
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)50.5%

10Li

mass number10
neutron number7
relative atomic mass
10.035483453 ± 0.000013656 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
2 ± 0.5 zs
Espin1
nuclear quadrupole moment
data de descobèrta1975
parity-

decay modeintensity
n (neutron emission)100%

11Li

mass number11
neutron number8
relative atomic mass
11.043723581 ± 0.00000066 Da
g-factor
2.4474 ± 0.00013333333333333
natural abundance
Radioactivitat☢️ radioactive element
Semivida
8.75 ± 0.06 ms
Espin3/2
nuclear quadrupole moment
-0.0333 ± 0.0005
data de descobèrta1966
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)86.3%
2n (2-neutron emission)4.1%
3n (3-neutron emission)1.9%
βα (β-delayed α emission)1.7%
β d (β-delayed deuteron emission)0.013%
β t (β-delayed triton emission)0.0093%

12Li

mass number12
neutron number9
relative atomic mass
12.052613942 ± 0.000032213 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin1
nuclear quadrupole moment
data de descobèrta2008
parity-

decay modeintensity
n (neutron emission)

13Li

mass number13
neutron number10
relative atomic mass
13.061171503 ± 0.00007515 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
3.3 ± 1.2 zs
Espin3/2
nuclear quadrupole moment
data de descobèrta2008
parity-

decay modeintensity
2n (2-neutron emission)100%
Lithium paraffin

istòria

descobridor o inventaireJohann Arfwedson
luòc de descobèrtaSweden
data de descobèrta1817
EtimologiaGreek: lithos (stone).
pronunciationLITH-i-em (English)

source

Abundance
Abundance in Earth's crust
natural abundance (Ocean)
0.18 mg/L
natural abundance (còs uman)
0.000003 %
natural abundance (meteoroid)
0.00017 %
natural abundance (Solelh)
0.000000006 %
Abundance in Universe
0.0000006 %

Nuclear Screening Constants

1s0.3094
2s1.7208