what are the steps followed to write the chemical formula of compound.
CLASS 7 SCIENCE
L-5
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The following steps must be taken while attempting to write a formula :) ↪Write the symbols side by side, basic radical is written first and then acidic radical. ↪Write the valency of each atom on top of its symbol. ↪Divide the valency numbers by their highest factor, if any, to get the simple ratio.
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While writing the formula of a compound containing a metal and a non-metal, the symbol of the metal is written first followed by that of the non-metal. Two metals do not join up to form compounds. Write the valency of each element / ion. Interchange the valencies of the elements / ions and write as the subscript.
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