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Carbon and hydrogen. Many kinds of plastics, such as pure natural rubber (polyisoprene), polyethylene, polystyrene, polypropylene, etc., are composed entirely of carbon and hydrogen. Plastics are essentially long chains of carbon and hydrogen with other elements on occasion -- e.g. chlorine in polyvinyl chloride, nitrogen and oxygen in nylon, fluorine in Teflon, etc.
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Do all materials contain oxygen and silicon?
Not all materials contain oxygen and silicon. These elements are commonly found in minerals and rocks, but there are many other types of materials, such as metals, plastics, and organic compounds, that do not contain oxygen and silicon as primary components.
Two sets that contain the same number of elements are called what?
Two sets that contain the same number of elements are called "equinumerous" or "equipollent."
What are the two elements contain in hydrocarbon?
Carbon and hydrogen are the two elements contained in hydrocarbons.
What compounds contain two elements?
Water (H2O), carbon dioxide (CO2), table salt (NaCl), and methane (CH4) are examples of compounds that contain two elements.
What two elements does H2O contain?
H2O, or water, contains two elements - hydrogen and oxygen.
