PROPERTIES OF ZINC

ATOMIC NUMBER	30
ATOMIC WEIGHT	65.37
DENSITY(AT 25°C)	7140 kg/m3
MELTING POINT	419.5°C (692.7 K)
BOILING POINT(760 mm Hg	907°C(1180 K)
MODULUS OF ELASTICITY	7x104 MN/m2
SPECIFIC HEAT (20°C)	0.382 kJ/kg.K
LATENT HEAT OF FUSION(419.5°C)	100.9 kJ/kg
LATENT HEAT OF VAPORIZATION(906°C)	1.782MJ/kg
HEAT CAPACITY
Solid	Cp = 22.40 + 10.5 x 10-3 TJmol-1(298 - 692.7 K)
Liquid	Cp = 31.40 Jmol-1
Gas	Cp = 20.80 Jmol-1
LINEAR COEFFICIENT OF THERMAL EXPANSION (polycrystalline 20-250°C)	39.7 µm/m.K
VOLUME COEFFICIENT OF THERMAL EXPANSION(20-400°C)	0.89 x 10 -6/K
THERMAL CONDUCTIVITY : solid (18°C)	113W/m.K
ELECTRICAL RESISTIVITY(polycrystalline at 20° C)	5.9mVm
STANDARD ELECTRODE POTENTIAL(against H2 electrode)	- 0.762 V