Chemical compounds
Chemical Compounds
Chemical compounds (/ˈkɛmɪkəl kɒmˈpaʊnd/) are entities consisting of two or more atoms that are chemically bonded together. The term "chemical compound" has its roots in the Latin words "componere" meaning "to put together" and "chemia" meaning "alchemy".
Definition
A chemical compound is a pure chemical substance consisting of two or more different chemical elements that can be separated into simpler substances by chemical reactions. Chemical compounds have a unique and defined chemical structure; they consist of a fixed ratio of atoms that are held together in a defined spatial arrangement by chemical bonds.
Types of Chemical Compounds
Chemical compounds can be classified into two main types: molecular compounds and ionic compounds.
- Molecular Compounds: These are compounds where the atoms share electrons through covalent bonds. Examples include water (H2O), carbon dioxide (CO2), and methane (CH4).
- Ionic Compounds: These are compounds formed by the transfer of electrons from one atom to another. Examples include sodium chloride (NaCl), magnesium oxide (MgO), and calcium chloride (CaCl2).
Properties of Chemical Compounds
Chemical compounds have distinct physical and chemical properties including melting point, boiling point, density, and reactivity. These properties can be used to identify a compound and predict its behavior.
Formation of Chemical Compounds
Chemical compounds are formed when two or more atoms combine through a chemical reaction. This process is governed by the principles of chemical kinetics and thermodynamics.
Uses of Chemical Compounds
Chemical compounds have a wide range of uses in various fields such as medicine, industry, agriculture, and research. For example, pharmaceutical compounds are used in the treatment of diseases, industrial compounds are used in the manufacture of goods, and agricultural compounds are used in the growth of crops.
See Also
External links
- Medical encyclopedia article on Chemical compounds
- Wikipedia's article - Chemical compounds
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