Which of the following metals melt at room temperature?
A
Caesium
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B
Bromine
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C
Sodium
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D
Gallium
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Solution
The correct options are A Caesium 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.