Question

which of the following elements are in the compound: *
magnesium peroxide
mgo₂
oxygen (o) and nitrogen (n)
potassium (k) and oxygen (o)
magnesium (mg) and oxygen (o)

Explanation:

Step1: Analyze compound formula

The formula is \(MgO_2\).

Step2: Identify elements

\(Mg\) is magnesium, \(O\) is oxygen.

Answer:

C. Magnesium (Mg) and Oxygen (O)