Molecule | Definition, Examples, Structures, & Facts | Britannica
2024年10月21日 · 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 …
What Is a Molecule? Definition and Examples - Science Notes …
2020年9月12日 · 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.
Molecule Definition & Meaning - Merriam-Webster
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.
Molecule - Wikipedia
A molecule is a group of two or more atoms that are held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions that 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 ...
MOLECULE | English meaning - Cambridge Dictionary
MOLECULE definition: 1. the simplest unit of a chemical substance, usually a group of two or more atoms 2. the simplest…. Learn more.
MOLECULE Definition & Meaning | Dictionary.com
A group of two or more atoms linked together by sharing electrons in a chemical bond. Molecules are the fundamental components of chemical compounds and are the smallest part of a compound that can participate in a chemical reaction.
Molecule - Definition, Types and Examples - Biology Dictionary
2016年12月15日 · 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, of different numbers in different elements.
MOLECULE | definition in the Cambridge English Dictionary
MOLECULE meaning: 1. the simplest unit of a chemical substance, usually a group of two or more atoms 2. the simplest…. Learn more.
Molecule - Definition, Meaning & Synonyms - Vocabulary.com
A molecule is the simplest structural unit of a substance that still keeps the properties of that substance, like a molecule of water. This scientific word also gets used in unscientific ways, as in "Every single molecule in my body wants that chocolate cupcake!"
Molecule Definition & Meaning | Britannica Dictionary
MOLECULE meaning: 1 : the smallest possible amount of a particular substance that has all the characteristics of that substance; 2 : a very small amount of something.