What are ionic and molecular compounds? Give examples.
(N/A) Molecular compounds are formed when atoms of different elements combine in definite proportions to form molecules. Examples include $H_2O$ (water),$NH_3$ (ammonia),and $CO_2$ (carbon dioxide).
Ionic compounds are composed of metals and non-metals containing charged species known as ions. An ion is a charged particle,which can be either positively charged (cation) or negatively charged (anion). Examples include $NaCl$ (sodium chloride) and $CaO$ (calcium oxide).
Ionic compounds are composed of metals and non-metals containing charged species known as ions. An ion is a charged particle,which can be either positively charged (cation) or negatively charged (anion). Examples include $NaCl$ (sodium chloride) and $CaO$ (calcium oxide).
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Write the names of the compounds represented by the following chemical formulae:
$(i)$ $NaBr$
$(ii)$ $Al_{2}O_{3}$
$(iii)$ $Zn(NO_{3})_{2}$
$(iv)$ $HCl$
$(v)$ $NaCl$
$(vi)$ $CaCO_{3}$
$(i)$ $NaBr$
$(ii)$ $Al_{2}O_{3}$
$(iii)$ $Zn(NO_{3})_{2}$
$(iv)$ $HCl$
$(v)$ $NaCl$
$(vi)$ $CaCO_{3}$
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View SolutionWrite the molecular formulae of all the compounds that can be formed by the combination of the following ions: $Cu^{2+}, Na^{+}, Fe^{3+}, Cl^{-}, SO_{4}^{2-}, PO_{4}^{3-}$.
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View Solution$(a)$ What are molecules? Using examples, differentiate between the molecules of an element and a compound.
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$(i)$ $Al^{3+}$ and $SO_{4}^{2-}$
$(ii)$ $Ba^{2+}$ and $NO_{3}^{-}$
$(b)$ Derive the chemical formulae of the molecules formed between the following ions:
$(i)$ $Al^{3+}$ and $SO_{4}^{2-}$
$(ii)$ $Ba^{2+}$ and $NO_{3}^{-}$
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View SolutionWhich of the following contains the maximum number of molecules?
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View Solution$(a)$ Define the following:
$(i)$ Mole
$(ii)$ Gram atomic mass
$(iii)$ Gram molecular mass
$(b)$ Calculate the mass of the following:
$(i)$ $2$ moles of carbon dioxide
$(ii)$ $6.022 \times 10^{23}$ molecules of carbon dioxide.
$(i)$ Mole
$(ii)$ Gram atomic mass
$(iii)$ Gram molecular mass
$(b)$ Calculate the mass of the following:
$(i)$ $2$ moles of carbon dioxide
$(ii)$ $6.022 \times 10^{23}$ molecules of carbon dioxide.
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