ICSE Class 7 Chemistry Question 4 of 16

Atomic Structure — Question 8

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8
Question

Question 8

'A radical takes part — unsplit in a chemical reaction and retains its identity in reactions'. With reference to the radical:

(a) ammonium

(b) bisulphate

(c) carbonate — state the group of atoms present in each radical.

Answer

(a) Ammonium [NH4]: 1 nitrogen atom and 4 hydrogen atoms

(b) Bisulphate [HSO4]: 1 hydrogen atom, 1 sulphur atom and four oxygen atoms

(c) Carbonate [CO3] : 1 carbon atom and 3 oxygen atoms