Q:

What two elements do organic compounds always contain?

A:

Quick Answer

Carbon and hydrogen are the two elements always found in organic compounds. Other elements might also be present to complete the compound. Living things, as well as their waste and remains, contain organic compounds.

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Full Answer

Carbon atoms make up 18 percent of the human body by mass, while hydrogen makes up 10 percent. Other elements found in the body include oxygen, potassium, calcium and nitrogen. Examples of organic compounds include proteins, carbohydrates, lipids and DNA. Propane, butane and methane are also organic.

Only a few inorganic compounds contain carbon, such as carbon dioxide and monoxide, calcium carbonate, and elemental carbon in the form of diamonds. Other examples of inorganic compounds are water and salts.

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