Molecules is a leading international, peer-reviewed, open access journal of chemistry, and is published semimonthly online by MDPI.

The modern concept of molecules can be traced back towards pre-scientific and Greek philosophers such as Leucippus and Democritus who argued that all the universe is composed …

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 …

Sep 12, 2020 · Get the definition of a molecule. See examples of molecules and learn the different between a molecule and a compound.

Feb 2, 2023 · All objects that we see around us are made of molecules. From living objects such as a plant or an animal, including humans, inanimate objects like a chair, table, wall, door, …

Sep 3, 2024 · Here's an explanation of what a molecule is (and is not) with examples of common molecules. A molecule is two or more atoms that form chemical bonds with each other, …

Nov 28, 2025 · How are molecules formed? What are they made of? Discover these answers and more in this explanation about molecules, their bonds, and their interactions.

While all compounds are molecules, not all molecules are compounds. A molecule is formed when two or more atoms of an element chemically join together. If the types of atoms are …

Most often, the term "molecules" refers to multiple atoms; a molecule may be composed of a single chemical element, as with oxygen (O 2), or of multiple elements, such as water (H 2 O).

As much as a car is a single unit made up of many parts, a molecule is a unit made up of atoms bonded around each other in certain fixed geometries. Shapes influence the physical and …