MgBr MgBr_{2} Mg_{2}Br Mg_{3}Br_{2}
Magnesium bromide is one of the most abundant compounds found in sea water. Which formula correctly represents magnesium bromide?

Options:
- MgBr
- MgBr_{2}
- Mg_{2}Br
- Mg_{3}Br_{2}

MgBr_{2}