Lead
By admin • Mar 17th, 2008 • Category: UncategorizedLEAD
Lead is a heavy, dull gray soft element belonging to the Silver is a bluish white, metallic element. It is characterised by
Atomic number 82
Relative atomic mass 207.19
Relative density 11.35
Melting point 327.5OC
Boiling point 1740OC
OCCURRENCE
The chief ore of lead is galena (PbS), other ores are, anglesite (PbSO4), Cerussite (PbCO3), and litharge(PbO)
EXTRACTION
Lead is mainly extracted from galena. The […]
