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Which among the following non metal is liquid at room temperature?
(A) Chlorine
(B) Bromine
(C) Mercury
(D) Phosphorous


seo-qna
Last updated date: 20th Jun 2024
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Answer
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Hint: Mercury is a metal and exists as liquid at room temperature. Chlorine is present in gaseous form and is non-metal and phosphorus exists as solid at room temperature and is non-metal. Bromine is a halogen.

Complete solution step by step:
Non-metal shares or gains electrons while reacting with other elements. They are poor conductors of electricity and heat. Phosphorus, Chlorine and Bromine are non-metal and only Mercury is a metal in this case.
Chlorine belongs to group 17 of periodic table and is a p block element.
Chlorine exists as a gas and is a non-metal.
Bromine belongs to group 17 of periodic table and is a p block element.
It is liquid at room temperature and is non-metal.
Bromine is a halogen; it has an atomic number as 35. It has red brown color.
Bromine is between chlorine and Iodine.
Mercury belongs to Group 12 of the periodic table and is a d block element.
It is liquid at room temperature and is a metal.
Phosphorus belongs to group 15 of periodic table and is a p block element.
It exists as solid at room temperature and is non-metal.

Hence (B) option is the correct answer to this question. Bromine is non-metal and is liquid at room temperature among the following.

Note: Non-metal shares or gains electrons while reacting with other elements. They are poor conductors of electricity and heat. Phosphorus, Chlorine and Bromine are non-metal and only Mercury is a metal in this case. Mercury exists as liquid at room temperature, but bromine is a non metal which is liquid at room temperature.