Lithium

Latin nameLithium
English nameLithium
chemical symbolLi
atomic number3
relative atomic mass6,941
period2
groupI.A
classificationalkali metals
discovery date1817
discovererJ. A. Arfvedson
melting point [°C]180,54
boiling point [°C]1342
critical temperature [°C]2950
critical pressure [MPa]67
density [g cm-3]0,534
density at melting point [g cm-3]0,512
electronegativity [Pauling]0,98
electronegativity [Mulliken]0,97
stand. electrode potential [V]−3,0401
oxidation statesI
electron configuration[He]2s1
atomic radius [pm]167
covalent radius [pm]134
specific heat [J g-1K-1]3.6
skupenské teplo tání [kJ mol-1]147
heat of fusion [kJ mol-1]3.0
thermal conductivity [W m-1 K-1]84,8
el. conductivity [S m-1]1,17.107
1. ionizing energy [kJmol-1]520,221
2. ionizing energy [kJmol-1]7298,145
3. ionizing energy [kJmol-1]11815,034
Mohs hardness0,6
shear modulus [GPa]4,2
Young's modulus [GPa]4,9
state at normal conditionssolid

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