Chemical formula of a heteroatomic molecule is determined on the basis of the valency of combining elements.

True

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False

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Solution

The correct option is A
True

The chemical formula of a heteroatomic molecule (compound) is determined by valency of combining elements. The combining power (or capacity) of an element is known as its valency.

Example:- Chemical formula of hydrogen chloride is $HCl$ . It is formed by the combination of hydrogen $(H)$ and chlorine $(Cl)$ atoms with valency of hydrogen equal to $1$ and that of chlorine also equal to $1$ .

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Similar questions

To write the chemical formulae, one must know the valency of the element. State whether the statement is True/False.

Statement-1: An element of valency 2 can combine with an element of valency 1.
Statement-2: To write the chemical formula, one must know the symbol and valency of the elements.

Chemical formula of a molecular compound is determined on the basis of:

Q. (a) What type of chemical bond is present in chlorine molecule? Explain your answer.
(b) Explain the formation of a chlorine molecule on the basis of electronic theory of valency.

(a) What type of chemical bond is present in the chlorine molecule? Explain your answer.
(b) Explain the formation of a chlorine molecule on the basis of the electronic theory of valency.

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Standard VIII Chemistry

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