Q22 of 400 Page 168

What is an ion? Explain with examples.

An ion is an electrically charged atom formed when a neutral atom loses or gains electrons. There are two types of ions: cations and anions.

Example: Sodium ion Na+, Chlorine ion Cl-.



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21 What is a covalent bond? What type of bond exists in (i) CCl4, and (ii) CaCl2? 21 What is an ionic bond? What type of bond is present in oxygen molecule? 21 What is the nature of charge on (i) a cation, and (ii) an anion? 22 Name the cation and anion present in MgCl2 Also write their symbols.