The elements A, B, C and D belong to groups 1, 2,14 and 17 respectively of the periodic table. Which of the following pairs of elements would produce a covalent bond ?

(i) A and D 

(ii)C and D 

(iii) Aand B 

(iv)B and C 

(v) Aand C

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1 Answers

The pairs of elements would produce a covalent bond is-

C and D.

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