Bromine, a liquid at room temperature, has a boiling point of 58°C and a melting point of -7.2°C. Bromine can be classified as a

Selenium

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Explanation:

if u ask which group

so it is halogen

or u ask which type of matter

then liquid

hi my dude or dudette

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.