When 1 carbon atom combines with 2 oxygen atoms, the resulting substance is called a(n) a.) element. b.) compound. c.) isotope. d.) ion.

The correct answer to the question is option B. Compound

An element is a pure substance that can not be broken down into simpler substance.

A compound is a substance consisting of two or more elements chemically combined together.

Isotopes are atoms having the same atomic number but different mass number due to the difference in the neutron number of the atoms involved.

An ion is an atom or group of atoms which possess an electric charge.

The combination of carbon and oxygen will produce a compound. This is true because the carbon and oxygen will be chemically combined together as a new bond will be formed between them given rise to a new substance.

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