Lithium

ElementLithiumSymbolLi
Atomic Number3Molar Mass6.94 gmol-1
Electron Configuration[He]2s1Normal Statesolid metal
Density @STP0.53 g cm-3Melting Point180.5oC
Boiling Point1342oCStable Isotopes6Li, 7Li
Atomic Radius157 pmIonic Radius58 (1+) pm
Electronegativity (Pauling)0.98Ionization Energy (1st)513 kJ mol-1
Ionization Energy (2nd)7298 kJ mol-1Ionization Energy (3rd)11814 kJ mol-1
Molar Heat Capacity24.8 J K-1mol-1Standard Molar Entropy29.1 J K-1mol-1
Enthalpy of Fusion4.6 kJ mol-1Enthalpy of Vapourization134.7 kJ mol-1
[Back to Periodic table] [ Home - www.gordonengland.co.uk]