이유는 다음과 같습니다.
* Bromine's natural state: Bromine is a halogen, and halogens exist as diatomic molecules in their elemental state. This means they naturally form pairs of atoms.
* Diatomic molecule definition: A diatomic molecule is a molecule composed of two atoms of the same element.
* Liquid bromine: Even though bromine is a liquid at room temperature, its molecular structure remains the same. It still exists as Br₂ molecules.
Therefore, liquid bromine is indeed a diatomic molecule.
