write down the symbols and valency of;
hydrogen, nitrogen, fluorine, sulphate, phosphorus, silver
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Answer:
hydrogen H. 1
nitrogen N. 3
flourine. F. 7
sulphate. S. 2
phosphorus. P. 3
silver. Ag. 3,2,1,0
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Answer:
Answer:
hydrogen H. 1
nitrogen N. 3
flourine. F. 7
sulphate. S. 2
phosphorus. P. 3
silver. Ag. 3,2,1,0
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