Why H2O contain single atoms of oxygen but al2O3 contains three atoms

1.	Why H2O contain single atoms of oxygen but al2O3 contains three atoms of oxygen
Answer» Answer: H20 contains SINGLE ATOM of oxygen because it is the formula of water. Water molecules have 2 hydrogen ATOMS and ONE oxygen atom. In al1O3 there are three atoms of oxygen because after O, the number three is written.

Why H2O contain single atoms of oxygen but al2O3 contains three atoms of oxygen

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Answer:

H20 contains SINGLE ATOM of oxygen because it is the formula of water. Water molecules have 2 hydrogen ATOMS and ONE oxygen atom. In al1O3 there are three atoms of oxygen because after O, the number three is written.

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Why H2O contain single atoms of oxygen but al2O3 contains three atoms of oxygen​

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Why H2O contain single atoms of oxygen but al2O3 contains three atoms of oxygen