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What Are (I) Ionic Compounds, and (Ii) Molecular Compounds ? Give Two Examples of Each Type of Compounds. - Science

Answer in Brief

What are (i) ionic compounds, and (ii) molecular compounds ? Give two examples of each type of compounds.

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Solution

Ionic Compounds: Ionic compounds that consist of oppositely-charged ions held together by strong electrostatic forces. In an ionic compound, positively-charged ions, cations, and negatively-charged ions, anions, are chemically bonded by ionic bonds.

Examples of ionic compounds: NaCl – It comprises positively-charged sodium ions chemically bonded to the negatively-charged chloride ions.

Similarly, CuSO4  comprises positively-charged copper ions chemically bonded to the negatively-charged sulphate ions.

Molecular compounds: Molecular compounds consist of molecules of two or more elements that are chemically bonded. Molecular compounds are made up of electrically-neutral molecules and not electrically-charged ions.

Examples of molecular compounds: SO2 – It consists of electrically-neutral sulphur chemically bonded to two atoms of oxygen.

Similarly, NH3 consists of electrically-neutral nitrogen atom chemically bonded to three atoms of hydrogen.

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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 25 | Page 151
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