Answers

2015-09-04T20:35:10+05:30
1. Write the symbols.
2.Determines the charges.
3.determine the common multiple of the charges.
4.Write subscripts after the respective symbols. ( DO NOT WRITE 1). use ( ) when you have multiple polyatomic ions.
for example :-potassium sulfide= K⁺ S² ⁻ K₂S
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2015-09-05T12:28:12+05:30
Chemical formula can be written by its valancy and oxidation no
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