Formula of simple compound
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Yogita Ingle 5 years, 9 months ago
Writing Chemical Formulae
Step 1 : Write the symbol of a basic radical (element with the positive valency) to the left hand side and that of the acid radical (element with the negative valency) to the right hand side.
Step 2 : Write the valency number/charge of each of the respective ions at the bottom of its symbol.
Step 3 : Interchange the valency number. Ignore the (+) and (-) sign.
Step 4 : Write the interchanged number.
Step 5 : Write the compound’s formula.
Step 6: Cross the reduced valencies. If 1 appears, ignore it. And if a group of atoms receive a valency number more than 1, enclose it within the brackets.
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