Molecule - Wikipedia
WEBA molecule is a group of two or more atoms held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions which satisfy this criterion. [4][5][6][7][8] In quantum physics, organic chemistry, and biochemistry, the distinction from ions is dropped and molecule is often used when referring to ...
Molecule | Definition, Examples, Structures, & Facts | Britannica
WEBSep 13, 2024 · 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 substance. Learn more about the properties and structures of molecules in this article.
What Is a Molecule? Definition and Examples - Science Notes …
WEBSep 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, compounds, and ions.
PubChem
WEBPubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.
Molecule - ALL ABOUT CHEMISTRY
WEBMar 28, 2024 · A molecule is a group of atoms bonded together by covalent bonds to form a distinct entity with its unique chemical and physical properties. Molecules can range from simple diatomic molecules like oxygen (O2) to complex organic molecules like DNA.
Chemical compound | Definition, Examples, & Types | Britannica
WEBChemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements. All the matter in the universe is composed of the atoms of more than 100 different chemical elements, which are found both in pure form and combined in chemical compounds.
Molecule - Definition, Types and Examples | Biology Dictionary
WEBApr 28, 2017 · A molecule is two or more atoms bonded together to form a single chemical entity. Each atom carries a certain number of electrons that orbit around the nucleus. The nucleus consists of protons and neutrons, …
Molecules - Definition, Types, Characteristics, Shapes - Examples
WEBJul 5, 2024 · A molecule is a group of two or more atoms bonded together, forming the smallest unit of a chemical compound that retains its chemical properties. Atoms in a molecule are held together by chemical bonds, such as …
Definition and Examples of a Molecule - ThoughtCo
WEBSep 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 compound. It doesn't matter if the atoms are the same or …
Molecule: Definition, Examples, Facts & Diagram - Science Facts
WEBFeb 2, 2023 · What is a molecule in chemistry. Learn how it is formed. Also, learn about molecular compounds and formulas with examples, facts, and diagrams.