How Does Formula Of An Element Differ From That Of A Compound?
Answer:
Formula of an element is different from a compound because element is represented by a symbol while the compound is represented by a symbol as well as by the valencies of the elements. For example, the formula of sodium which is an constituent is Na(symbol), however, in a compound form like sodium chloride it is NaCl. In this formula, valency of sodium is -1 and chloride is also -1, therefore, the formula become NaCl. In the case of magnesium chloride formula is MgCl2.
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