Литий

Литий (Li)

chemical element with symbol Li and atomic number 3
Atomic Number3
Atomic Weight6.94
mass number7
Group1
Period2
Blocks
Протон3 p+
Нейтрон4 n0
Электрон3 e-
Animated Bohr model of Li (Литий)

Physical Property

Атомдук Радиус
145 pm
molar volume
covalent radius
133 pm
Metallic Radius
123 pm
ionic radius
59 pm
Crystal Radius
73 pm
Van der Waals radius
182 pm
density
0,534 g/cm³
Atomic Radii Of The Elements: Литий020406080100120140160180200pmАтомдук РадиусCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
electron affinity
0,618049 eV/particle
ionization energy
5,391714761 eV/particle
ionization energy of Li (Литий)
enthalpy of vaporization
148 kJ/mol
enthalpy of fusion
2,89 kJ/mol
standard enthalpy of formation
159,3 kJ/mol
Электрон
electron shell2, 1
Bohr model: Li (Литий)
valence electron1
Lewis structure: Li (Литий)
electron configuration[He] 2s1
1s2 2s1
Enhanced Bohr model of Li (Литий)
Orbital Diagram of Li (Литий)
oxidation number0, 1
electronegativity
0.98
Electrophilicity Index
0,9457422835847783 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
1 615,15 K
Melting Point
453,65 K
critical pressure
67 MPa
critical temperature
3 223,15 K
triple point
appearance
Түс –
Silver
appearancesilvery-white
refractive index
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
Магнетизм
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
түзүм
Crystal StructureBody Centered Cubic (BCC)
lattice constant
3,49 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
0,6 MPa
bulk modulus
11 GPa
shear modulus
4,2 GPa
Young's modulus
4,9 GPa
Poisson's ratio
speed of sound
6 000 m/s
classification
CategoryAlkali metals, Alkali metals
CAS GroupIA
IUPAC GroupIA
Glawe Number12
Mendeleev Number1
Pettifor Number12
Geochemical Classalkali metal
Литофиль элементтериlitophile

other

Gas Basicity
polarizability
164,1125 ± 0,0005 a₀
C6 Dispersion Coefficient
1 392 a₀
allotrope
Neutron cross section
71
Neutron Mass Absorption
Кванттык сандар2S1/2
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
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин3/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
p (proton emission)

4Li

mass number4
neutron number1
relative atomic mass
4,027185561 ± 0,000227733 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
91 ± 9 ys
Спин2
nuclear quadrupole moment
time of discovery or invention1965
parity-

decay modeintensity
p (proton emission)100%

5Li

mass number5
neutron number2
relative atomic mass
5,0125378 ± 0,000053677 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
370 ± 30 ys
Спин3/2
nuclear quadrupole moment
time of discovery or invention1941
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
Радиоактивдүүлүкstable isotope
half-lifeNot Radioactive ☢️
Спин1
nuclear quadrupole moment
-0,000806 ± 0,000006
time of discovery or invention1921
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
Радиоактивдүүлүкstable isotope
half-lifeNot Radioactive ☢️
Спин3/2
nuclear quadrupole moment
-0,04 ± 0,0003
time of discovery or invention1921
parity-

8Li

mass number8
neutron number5
relative atomic mass
8,022486244 ± 0,00000005 Da
g-factor
0,82675 ± 0,00001
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
838,7 ± 0,3 ms
Спин2
nuclear quadrupole moment
0,0314 ± 0,0002
time of discovery or invention1935
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
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
178,2 ± 0,4 ms
Спин3/2
nuclear quadrupole moment
-0,0304 ± 0,0002
time of discovery or invention1951
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
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
2 ± 0,5 zs
Спин1
nuclear quadrupole moment
time of discovery or invention1975
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
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
8,75 ± 0,06 ms
Спин3/2
nuclear quadrupole moment
-0,0333 ± 0,0005
time of discovery or invention1966
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
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин1
nuclear quadrupole moment
time of discovery or invention2008
parity-

decay modeintensity
n (neutron emission)

13Li

mass number13
neutron number10
relative atomic mass
13,061171503 ± 0,00007515 Da
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
3,3 ± 1,2 zs
Спин3/2
nuclear quadrupole moment
time of discovery or invention2008
parity-

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

тарых

discoverer or inventorJohann Arfwedson
location of discoverySweden
time of discovery or invention1817
ЭтимологияGreek: lithos (stone).
pronunciationLITH-i-em (англисче)

source

Abundance
Abundance in Earth's crust
natural abundance (Океан)
0,18 mg/L
natural abundance (human body)
0,000003 %
natural abundance (meteoroid)
0,00017 %
natural abundance (Күн)
0,000000006 %
Abundance in Universe
0,0000006 %

Nuclear Screening Constants

1s0.3094
2s1.7208