The compound MgBr2 is known as Magnesium Bromide.
Magnesium Bromide consists of one magnesium (Mg) atom and two bromine (Br) atoms. In this compound, magnesium, a metal, donates two electrons to become Mg2+ ion, while each bromine atom, a nonmetal, accepts one electron to become Br– ions. The compound is formed through ionic bonding, where oppositely charged ions attract each other. The ‘di’ in the name indicates that there are two bromide ions for every magnesium ion. Therefore, the systematic name reflects the elements involved and their respective ratios.