Question

Which one of the following has no compound?

(a) Ne
(b) Cl
(c) Na
(d) H

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Answer 1

Answer:

I think option d is the right answer

Answer 2

$\large\fcolorbox{red}{yellow}{ANSWER}$

Compound is made up of two or more elements. Ozone is made up of 3 oxygen atoms which are identical. Hence, its an element and not a compound.