Most elements are solids at $25^{o} C$ and $1$ atm pressure, the exception being the $11$ elements that are gases and $2$ that are liquids. What $2$ elements are liquids ?

H g

and

B r

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H g

and

I

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A g

and

K r

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A u

and

K r

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Solution

The correct option is A $H g$ and $B r$
The elements found in liquid state at $25 ℃$ temperature and $1 a t m$ pressure are $H g$ (Mercury) and $B r$ (Bromine). These $2$ are exceptions to these categories where $H g$ is a metal and $B r$ is a halogen. Metals are generally in solid state and halogens in gaseous. Hence answer is option A.

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