Question

Sodium chloride is a compound of two elements. Identify them and give its chemical formula.

Answer 1

Two elements are sodium and chlorine with chemical formula Na and Cl respectively and valency +1 and -1

Answer 2

Formula of sodium chloride

• When atoms of two different elements combine it leads to the formation of compound.
• When one atom of sodium and 2 atoms of chlorine combines, it leads to the formation of a compound called sodium chloride.
• The chemical equation involved in the reaction is as follows:

$Na+Cl_2\rightarrow NaCl$

• Thus from the above equation, it is inferred that the elements present in Sodium chloride are sodium and chlorine and its formula is NaCl.

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