How can I write the formula for magnesium sulfide?
Magnesium Sulfide has a formula of
Magnesium is a metal cation with a charge of
Sulfur is a nonmetal anion with a charge of
In order to bond ionically the charges must be equal and opposite.
It will take one -2 sulfide ion to balance one +2 magnesium ion forming a magnesium sulfide molecule of
I hope this was helpful.