Physical Properties of Alkali Metals

LITHium

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Atomic number 3
Atomic weight 6.941
At. volume 13.0 cm3
First ionization potential 519 kJ/mole
Electron affinity 52.3 kJ/mole
Crystal structure bcc
Lattice constant 350 pm
Radius metallic
ionic		 122.5 pm
60 pm
Density20 0.531 g/cm3
Specific heat 25°C
m.p.		 3.55 J/g
4.39 J/g
Heat of fusion 431.8 J/g
Heat of vaporization ~21.3 kJ/g
Electrical resistivity 20°C 9.446 µΩcm
Characteristic spectrum lines red
orange		 670.8 nm
610.4 nm
Vapor pressure 702°C
802°C
902°C
1002°C
1052°C
1077°C		 0.065 kPa
0.376 kPa
1.61 kPa
5.47 kPa
9.4 kPa
12.13 kPa

To convert J to cal, divide by 4.184. To convert kPa to mm Hg, multiply by 7.5.

Source: Kirk-Othmer Encyclopedia of Chemical Technology
Note: Creative Engineers takes no responsibility for the accuracy of this information.