What is meant by the term chemical formula?
(N/A) chemical formula of a compound (or element) is the symbolic representation of its composition. It represents:
$(i)$ The number and kind of atoms present per molecule of the compound.
$(ii)$ One mole of the compound.
$(iii)$ The molar mass of the compound.
$(i)$ The number and kind of atoms present per molecule of the compound.
$(ii)$ One mole of the compound.
$(iii)$ The molar mass of the compound.
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Similar Questions
Write the names of the compounds represented by the following chemical formulae:
$(i)$ $NaBr$
$(ii)$ $Al_{2}O_{3}$
$(iii)$ $Zn(NO_{3})_{2}$
$(iv)$ $HCl$
$(v)$ $NaCl$
$(vi)$ $CaCO_{3}$
$(i)$ $NaBr$
$(ii)$ $Al_{2}O_{3}$
$(iii)$ $Zn(NO_{3})_{2}$
$(iv)$ $HCl$
$(v)$ $NaCl$
$(vi)$ $CaCO_{3}$
Medium
View SolutionThe chemical formula of the oxide of an element $X$ is $X_2O_5$. Write the chemical formula of its chloride.
Medium
View SolutionWhat is the valency of $(a)$ aluminium in aluminium sulphate,and $(b)$ sodium in sodium sulphate?
Medium
View SolutionGive the chemical formulae for the following compounds and compute the ratio by mass of the combining elements in each one of them:
$(a)$ Ammonia
$(b)$ Carbon monoxide
$(c)$ Hydrogen chloride
$(d)$ Aluminium fluoride
$(e)$ Magnesium sulphide
$(a)$ Ammonia
$(b)$ Carbon monoxide
$(c)$ Hydrogen chloride
$(d)$ Aluminium fluoride
$(e)$ Magnesium sulphide
Medium
View SolutionWrite the chemical formulae for the following compounds and find the ratio by mass of the combining elements in each one of them.
$(N=14 \ u, H=1 \ u, C=12 \ u, O=16 \ u, S=32 \ u)$
$(a)$ Methane
$(b)$ Carbon dioxide
$(c)$ Hydrogen sulphide
$(N=14 \ u, H=1 \ u, C=12 \ u, O=16 \ u, S=32 \ u)$
$(a)$ Methane
$(b)$ Carbon dioxide
$(c)$ Hydrogen sulphide
Difficult
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