Question 18

bromine is the only halogen and nonmetal that is normally a

a)gas

b)liquid

c)semiconductor

d)solid

Bromine is the only halogen and non-metal that is normally a liquid.

Explanation

Bromine with chemical equation has a rare property of being liquid at room temperature. It is a corrosive substance that causes horrendous burns. Also, it is considered very harmful to the atmosphere because of its destructive properties.  

It is corrosive to the human body and has the potential to damage organs. Moreover, it is dangerous for the environment, too, and excess use may deplete the ozone layer. This neat liquid should be handled with care and respect.  

the missing space is phylum