Here's why:

* Location on the Periodic Table: Bromine is located in Group 17 (also known as the halogens) on the periodic table. Halogens are all nonmetals.

* Properties: Bromine exhibits typical nonmetal properties like:

* It is a liquid at room temperature (though it easily vaporizes into a reddish-brown gas).

* It is a poor conductor of heat and electricity.

* It is very reactive, readily forming compounds with other elements.

Let me know if you have any other questions about elements and their properties!