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Type: Multiple-Choice
Category: Molecules and Compounds
Level: Grade 8
Author: Nici170468
Last Modified: 3 years ago

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Molecules and Compounds Question

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Grade 8 Molecules and Compounds

When magnesium (Mg) metal is burned in the presence of oxygen gas (O2), magnesium oxide (MgO) is produced. The properties of magnesium oxide are different from the individual properties of magnesium and oxygen because magnesium oxide is                .
  1. a solution
  2. a mixture
  3. a compound
  4. an element