Question

Match the atomic number 2, 4, 8, 15 and 19 with each of the following:
(i) A solid non-metal belonging to the third period.
(ii) A metal of valency 1.
(iii) A gaseous element with valency 2.
(iv) An element belonging to Group 2.
(v) A rare gas.

July 25, 2024

Answer

(i) 15

(ii) 19

(iii) 8

(iv) 4

(v) 2

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