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2.2: Elements and Compounds - Biology LibreTexts
WebMay 13, 2024 · A compound is a unique substance that consists of two or more elements combined in fixed proportions. This means that the composition of a compound is always the same. The smallest particle of most compounds in living things is called a molecule. Consider water as an example. WebAnswer (1 of 2): Compounds can be broken apart in chemical reactions called decomposition reactions. For example, water can be broken down into the diatomic elements hydrogen gas and oxygen gas in a chemical reaction called electrolysis. Sodium chloride can also be broken down into elemental sodi... can liver disease cause hip pain
A chemical process by which compounds can be broken down …
WebSep 12, 2024 · Catabolic reactions break down large molecules into smaller ones. During this process, the energy contained in the chemical bonds of the molecules is released. Approximately 40 percent of the energy released from these catabolic reactions is converted to the usable form of energy in the cell ie. ATP. Can you cut a molecule in half? WebAn element is a pure substance as it cannot be broken down or transformed into a new substance even by using some physical or chemical means. Elements are mostly metals, non-metals or metalloids. Compounds, on the other hand, are also pure substances when two or more elements are combined chemically in a fixed ratio. WebIf one breaks the bond with heat, the process is called pyrolysis. If a molecule is broken into fragments by reaction with water, the process is called hydrolysis. There are many … can liver disease cause leg swelling