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Sulphur and Its Compounds Notes
Institution: Secondary
Course: Chemistry
Content Category: Class Notes
Posted By: Mmaritim
Document Type: PDF
Number of Pages: 52
Price: KES 100
Views: 1281
Downloads: 3
Summary
Sulphur and Its Compounds Notes
A.SULPHUR (S)
Sulphur is an element in Group VI Group 16)of the Periodic table . It has atomic number 16 and electronic configuration 16 and valency 2 /divalent and thus forms the ion S2- A. Occurrence. Sulphur mainly occurs : (i) as free element in Texas and Louisiana in USA and Sicily in Italy. (ii)Hydrogen sulphide gas in active volcanic areas e.g. Olkaria near Naivasha in Kenya (iii)as copper pyrites(CuFeS2) ,Galena (PbS,Zinc blende(ZnS))and iron pyrites(FeS2) in other parts of the world.
B. Extraction of Sulphur from Fraschs process Suphur occurs about 200 metres underground. The soil structure in these areas is usually weak and can easily cave in.
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