Gold, Silver, Oxygen, and Hydrogen are not compounds because they are all elements.
Sources- Science book. ^_^
P.S- This better have helped!
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Substances that are not compounds include elements (such as oxygen or gold) and mixtures (such as saltwater or air). Pure substances like elements are made up of only one type of atom, while mixtures contain different substances that are physically combined and can be separated by physical means.
Non-examples of compounds are elements, mixtures, and pure substances. Elements are substances made up of only one type of atom, such as oxygen or gold. Mixtures are combinations of different substances that are not chemically bonded, like salt water or air. Pure substances can be compounds, but they can also be elements, like pure water (H2O) or pure oxygen (O2).
Some examples of not compounds:
- all chemical elements (Al, He, U etc.) are not compounds
- mixtures (glass, alloys, concrete, gasoline , etc.) are not compouds
- elementary particles are not compounds
Gold, Silver, Oxygen, and Hydrogen are not compounds because they are all elements.Sources- Science book. ^_^P.S- This better have helped!
Rocks contain non-mineral matter. Examples of these are water and gases such as hydrogen and radon. Other compounds like hydrocarbons can also be a component of some rocks.
non examples are anything made by a human on land that is not natural
Organic compounds are compounds that contain carbon-hydrogen bonds, while inorganic compounds are compounds that do not contain carbon-hydrogen bonds. Organic compounds are typically associated with living organisms, while inorganic compounds are usually derived from non-living sources. Examples of organic compounds include carbohydrates, proteins, and lipids, while examples of inorganic compounds include water, salts, and metals.
Copper, Silver, and Gold occur as elements instead of compounds.