A molecule may be homonuclear, that is, it consists of atoms of one chemical element, e.g. two atoms in the oxygen molecule (O 2); or it may be heteronuclear, a chemical compound composed of more …

Nov 15, 2025 · Molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that …

Sep 12, 2020 · A molecule is defined as an electrically neutral group of two or more atoms connected by chemical bonds. Here are examples of molecules and a look at the difference between a molecules, …

Sep 3, 2024 · A molecule is two or more atoms that form chemical bonds with each other, representing the smallest unit of a chemical compound with all the physical and chemical properties of the …

Jul 20, 2025 · A molecule is the smallest unit of a substance that can participate in a chemical reaction and a fundamental component of matter. You can think of molecules as words and the atoms that …

A molecule is the smallest entity of a pure compound that retains its characteristic chemical properties, and consequently has constant mass and atomic composition.

Nov 15, 2025 · In general, a molecule is a group of two or more atoms that are chemically bonded together. It is formed when two or more atoms of the same elements or of different elements …

MOLECULE definition: the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound.

The meaning of MOLECULE is the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms. How to use molecule in a sentence.

For example, water, H A 2 O, and hydrogen peroxide, H A 2 O A 2, are alike in that their respective molecules are composed of hydrogen and oxygen atoms. However, because a hydrogen peroxide …