Let us find how many riddles you can solve.

Let us find how many riddles you can solve.

(i) I am the only noble gas whose outermost shell has 2 electrons. Who amI?

(ii) I am placed in group 16 of the modern periodic table and essential for your respiration. Who am I?

(iii)I combine with chlorine to form your table salt. Who am I?

Ans: – (i) So it will be helium.

(ii)It must be oxygen.

(iii)Sodium combined with the table salt.

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