oxide
O²⁻
An oxide is a compound that contains oxygen and one or more additional non-metallic elements. Oxides can be formed through a variety of chemical reactions, including combustion, oxidation, and rusting.
There are many different types of oxides, such as metal oxides, non-metal oxides, acidic oxides, basic oxides, and amphoteric oxides. Metal oxides are formed when a metal reacts with oxygen, while non-metal oxides are formed when a non-metal reacts with oxygen. Acidic oxides have high acidity and can react with bases to form salts and water, whereas basic oxides have high basicity and can react with acids to form salts and water. Amphoteric oxides can exhibit both acidic and basic characteristics depending on the pH of the solution they are in.
Oxides have many practical applications in various industries, such as construction, agriculture, and electronics. For example, metal oxides are used as pigments in paints and coatings, while non-metal oxides are used as catalysts and desiccants. Additionally, many oxides are used as semiconductors in electronic devices.
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