CLEP Chemistry Practice Test

Category - Chemistry

Under certain conditions, solid magnesium (Mg) and solid sulfur (S) can combine and form magnesium sulfide (MgS). The oxidation-reduction reaction is shown below.Mg(s) + S(s) → MgS(s) Which of the following is the oxidation number for Mg in MgS in this reaction?
  1. +1
  2. -1
  3. +2
  4. -2
Explanation
Answer: C - +2
Was this helpful? Upvote!
Login to contribute your own answer or details

Top questions

Related questions

Most popular on PracticeQuiz