Questions: aluminum and oxygen Express your answer as a chemical formula.

aluminum and oxygen Express your answer as a chemical formula.
Transcript text: aluminum and oxygen Express your answer as a chemical formula.
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Solution

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Solution Steps

Step 1: Identify the elements involved

The elements involved are aluminum (Al) and oxygen (O).

Step 2: Determine the valency of each element

Aluminum typically has a valency of +3, and oxygen typically has a valency of -2.

Step 3: Balance the charges to form a neutral compound

To balance the charges, we need two aluminum atoms (each with a +3 charge) and three oxygen atoms (each with a -2 charge): \[ 2 \times (+3) + 3 \times (-2) = 0 \]

Final Answer

The chemical formula for the compound formed by aluminum and oxygen is: \[ \boxed{\text{Al}_2\text{O}_3} \]

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