What is the formula of the compound formed when magnesium reacts with oxygen?

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Question: What is the formula of the compound formed when magnesium reacts with oxygen?

Options:

Correct Answer: MgO

Solution:

Magnesium reacts with oxygen to form magnesium oxide, which has the formula MgO.

What is the formula of the compound formed when magnesium reacts with oxygen?

What is the formula of the compound formed when magnesium reacts with oxygen?

Step 1: Identify the elements involved in the reaction. Here, we have magnesium (Mg) and oxygen (O).
Step 2: Determine the charge of magnesium. Magnesium typically has a charge of +2.
Step 3: Determine the charge of oxygen. Oxygen typically has a charge of -2.
Step 4: Combine the charges to form a neutral compound. To balance the +2 charge from magnesium, we need one oxygen with a -2 charge.
Step 5: Write the formula using the symbols for magnesium and oxygen. Since we need one magnesium and one oxygen, the formula is MgO.

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