Question
What would be the chemical formula for magnesium fluoride?
A.
MgF
B.
Mg2F
C.
MgF2
D.
Mg12F9
A.
MgF
B.
Mg2F
C.
MgF2
D.
Mg12F9
Answers
GPT-5 mini
Correct answer: C. MgF2
Explanation: Magnesium forms a 2+ ion (Mg2+) and fluoride is F−. Two fluoride ions are needed to balance one Mg2+, giving MgF2.
Explanation: Magnesium forms a 2+ ion (Mg2+) and fluoride is F−. Two fluoride ions are needed to balance one Mg2+, giving MgF2.