MgBr MgBr_{2} Mg_{2}Br Mg_{3}Br_{2}
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Magnesium bromide is one of the most abundant compounds found in sea water. Which formula correctly represents magnesium bromide?
Possibilities:
- MgBr
- MgBr_{2}
- Mg_{2}Br
- Mg_{3}Br_{2}

MgBr_{2}