Molecule

Definition - What does Molecule mean?

A Molecule is the chemical element's or compound's smallest particle having the same chemical properties as that of the element or the compound. Molecules have atoms that have chemical bonds, which are formed due to the exchange or sharing of the electrons among the atoms. A Molecule is a group of two or more atoms that are neutral. It can be identified based on the lack of electrical energy. Molecules can be of two types – homonuclear or heteronuclear.

Petropedia explains Molecule

Every substance, compound or chemical element is composed of Molecules, which is its smallest physical unit. A Molecule is electrically neutral and chemically bonded by atoms. Molecules, unlike ions, lack the electrical charge. The definition of a Molecule varies in kinetic theory of gases, biochemistry, organic chemistry and quantum physics. Molecules cannot be seen with naked eye and the largest molecules are called supermolecules or macromolecules. A homonuclear molecule belongs to a single element's atom, while a heteronuclear molecule is a chemical compound made up of more than one element.

Molecules are always moving; in liquids, they can move easily, whereas in solids, the Molecules are packed tightly and can only vibrate. The Molecules in gas can move extremely easily.

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