ICSE Class 8 Chemistry Question 13 of 13

Language of Chemistry — Question 6

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Question 7

Differentiate between the terms - 'Ion' & 'radical' with suitable examples.

Answer
IonRadical
An ion is any atom or a group of atoms carrying a positive or negative charge due to loss or gain of electrons.A radical is an atom or a group of atoms of the same or of different elements that behaves as a single unit with a positive or a negative charge.
Positively charged ions are called cations. For example, Sodium [Na1+]Positively charged radicals are called basic radicals. For example, Ammonium [NH41+]
Negatively charged ions are called anions. For example, Chloride [Cl1-].Negatively charged radicals are called acidic radicals. For example, Bicarbonate [HCO31-]