WebA substance that can be broken down into chemically simpler components (because it has more than one element) is a compound . Water is a compound composed of the elements hydrogen and oxygen. Today, there are about 118 elements in the known universe. In contrast, scientists have identified tens of millions of different compounds to date. WebSep 20, 2024 · Many compounds can be decomposed into their elements by heating. When sugar is heated, it decomposes into carbon and water. Water is still a compound, but one which cannot be broken down into hydrogen and oxygen by heating. Instead, the passage of an electrical current through water will produce hydrogen and oxygen gases.
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WebJul 16, 2012 · Mixtures can be broken down by physical means, and compounds can be broken down chemicaly. Can a pure substance be broken down into simpler substances? Not by physical means. However, chemical ... WebMar 21, 2024 · Whereas a "compound" is a pure substance, i.e. a material of constant chemical composition, with definite physical properties, i.e. melting point, boiling point, THAT CAN be broken down into its constituent elements. And typically, a compound COULD be broken down into its constituent atoms....i.e. fpr CO_2... onque casuals of new york
Elements, Compounds & Mixtures - Purdue University
WebFeb 19, 2024 · Compounds can be broken apart in chemical reactions called decomposition reactions. For example, water can be broken down into the diatomic … WebDec 7, 2010 · Yes, compounds can be broken down through chemical reactions. How can mixtures and compounds be broken down? Mixtures can be separated by physical … WebCompounds may be broken down by chemical changes to yield either elements or other compounds, or both. Mercury(II) oxide, an orange, crystalline solid, can be broken down by heat into the elements mercury and oxygen . When heated in the absence of air, the compound sucrose is broken down into the element carbon and the compound water. onq training manual