oxide
O²⁻
An oxide is a chemical compound that contains at least one oxygen atom and one or more other elements. Oxides can be formed through a variety of chemical reactions and they can exist in a solid, liquid, or gaseous state.
Examples of oxides include water (H2O), carbon dioxide (CO2), iron oxide (FeO), and nitrogen oxide (NO). Oxides can have different properties depending on the elements they are combined with and the conditions under which they are formed.
Some oxides, such as carbon dioxide and nitrogen oxide, can contribute to air pollution and climate change if they are released into the atmosphere in large quantities. However, other oxides have important uses in industry and technology. For example, iron oxide is used as a pigment in paints and ceramics, and water is crucial for supporting life on Earth.
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