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  1. 5 days ago · What is a Chemical Compound? A chemical compound is a substance that is formed by the chemical combination of two or more elements in a fixed ratio. These elements are bound together by chemical bonds, which involve the sharing or transfer of electrons between atoms.

  2. 4 days ago · Chemists synthesize an improved building block for medicines. July 2, 2024. Assorted Pills. Wikimedia Commons. Chemists have overcome a major hurdle in synthesizing a more stable form of heterocycle—a family of organic compounds that are a common component of most modern pharmaceuticals. The research, which could expand the toolkit available ...

  3. 5 days ago · Polychlorinated biphenyls (PCBs) are highly carcinogenic chemical compounds, formerly used in industrial and consumer products, whose production was banned in the United States by the Toxic Substances Control Act in 1976 and internationally by the Stockholm Convention on Persistent Organic Pollutants in 2001.

  4. 3 days ago · Water, substance composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid, and solid states. It is one of the most plentiful of compounds and has the important ability to dissolve many other substances, which was essential to the development of life.

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  5. 5 days ago · Complex compounds, also known as coordination compounds, often fascinating to explore, are chemical structures formed when a central metal atom or ion binds with surrounding molecules or ions called ligands.

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  7. en.wikipedia.org › wiki › Acetic_acidAcetic acid - Wikipedia

    4 days ago · Acetic acid / ə ˈ s iː t ɪ k /, systematically named ethanoic acid / ˌ ɛ θ ə ˈ n oʊ ɪ k /, is an acidic, colourless liquid and organic compound with the chemical formula CH 3 COOH (also written as CH 3 CO 2 H, C 2 H 4 O 2, or HC 2 H 3 O 2).

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