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Questions and Answers
Which is the most concise way to represent the chemical equation for the burning of magnesium in air?
Which is the most concise way to represent the chemical equation for the burning of magnesium in air?
- Mg + O2 → MgO2
- Magnesium + Oxygen2 → Magnesium Oxide
- Mg + O2 → MgO (correct)
- Magnesium + Oxygen → Magnesium Oxide
What does an unbalanced chemical equation mean?
What does an unbalanced chemical equation mean?
- The mass is the same on both sides of the equation
- The mass is not the same on both sides of the equation
- The number of atoms of each element is the same on both sides of the equation
- The number of atoms of each element is not the same on both sides of the equation (correct)
What does a skeletal chemical equation represent?
What does a skeletal chemical equation represent?
- A chemical equation with chemical formulae
- A balanced chemical equation
- An unbalanced chemical equation (correct)
- A concise chemical equation
What is the chemical formula for magnesium oxide?
What is the chemical formula for magnesium oxide?
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What is the chemical formula for oxygen?
What is the chemical formula for oxygen?
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