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Since oxygen is an element, that would depend on whether you mean adding an oxygen atom or an oxygen molecule. Individual oxygen atoms don't seem to like being single; craving partnership, they will pair off or seek out another strong bond. (Think of oxygen atoms like a parakeet that always chirps at himself in the mirror, or an insanely narcissistic person who is phobic about being alone.)

Carbon dioxide (CO2) is a molecular compound made of 1 carbon atom and 2 oxygen atoms, while the oxygen (O2) that we breath is actually a molecule composed of a pair oxygen atoms. Both are stable molecules that are happy to exist without the overbearing need to bond with another element or compound Adding an oxygen atom to CO2 would make "carbon trioxide" (CO3) by name (and according to wikipedia, can be made by blowing ozone at dry ice) but is an unstable molecule which will break down. Due to the arrangement of electrons in the carbon and oxygen atoms, three (CO3) carbon trioxide molecules will rearrange as 3(CO) carbon monoxide molecules and 3(O2) oxygen molecules very quickly because the oxygen prefers to pair up with itself or carbon alone instead of hanging out in a group.

Adding an O2 molecule to CO2 would produce "carbon tetraoxide" (CO4), but you would only see this combination as a sub-grouping in a larger molecule. Carbon atoms are secure enough to hang out with one oxygen couple, but might feel uncomfortable with two unless there were other guests at the party as well!

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15y ago
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5mo ago

Carbon dioxide (CO2) is formed when carbon and oxygen are combined. Carbon dioxide is a colorless gas that is produced by the combustion of carbon-based substances like fossil fuels and during respiration.

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13y ago

If one atom of Carbon and two of Oxygen then it makes CO2

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14y ago

Carbon dioxide and/or carbon monoxide.

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4y ago

element

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Q: What is made when carbon and oxygen are combined?
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Related questions

Are made up of one carbon atom combined with three oxygen atoms?

carbonates


Can carbon and oxygen form into water?

No. Water is a compound of oxygen and hydrogen. Carbon and oxygen will combined to form carbon dioxide or carbon monoxide.


What elements are combined to form carbon dioxide?

carbon and oxygen


Why is gold an element and carbon dioxide not an element?

Gold is made up of one particle: just pure Gold. Carbon Dioxide however is made up of Carbon AND Oxygen. Carbon and Oxygen are both elements, but when they are combined in this way it is known as a compound.


When a candle burns what compounds are combine with oxygen?

Carbon is combined with oxygen forming carbon dioxide.


What compound is formed when hydrogen oxygen and carbon combined?

carbon hydroxide


What is combined with two oxygen atoms and helps plants engage in photosynthesis?

Carbon dioxide is combined with two oxygen atoms to help plants engage in photosynthesis. During this process, plants take in carbon dioxide from the air and convert it into sugars and oxygen with the help of sunlight.


How carbon monoxide and unburnt hydrocarbon made into less harmful substance?

Inside a catalytic converter they are combined with oxygen to form carbon dioxide and water.


When carbon and oxygen are chemically combined what are they called?

an oxidation


Is carbon dioxide an element or a compound or a mechanical mixture?

Carbon dioxide is a compound. It is made up of two elements, carbon and oxygen, chemically combined in a fixed ratio.


What do you get when you combined one carbon and one oxygen?

CO - Carbon Monoxide (only one molecule of oxygen). Not to be confused with CO2 - Carbon DIoxide (two molecules of oxygen).


What planet has the smallest percentage of oxygen?

There's not much oxygen on any planet except Earth. I mean "free" oxygen, not chemically combined with other elements. Obviously carbon dioxide contains oxygen combined with carbon, for example.