Which of the following metals melt at room temperature?

Caesium

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Bromine

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Sodium

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Gallium

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Solution

The correct option is D Gallium
Gallium and caesium are metals having such low melting points (29.76 $°$ C and 28.44 $°$ C respectively) that they melt at room temperature.

Sodium is a soft metal and can be cut with a knife but it is solid at room temperature as its melting point is around 97 $°$ C.

Bromine is a non-metal and is liquid at room temperature.

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