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molecule
Definition
A molecule is the smallest unit of a substance that can exist on its own. It is made up of two or more atoms that are bonded together.
Atoms are the building blocks of matter. They are made up of even smaller particles called protons, neutrons, and electrons.
When two or more atoms are bonded together, they form a molecule. The atoms in a molecule are held together by chemical bonds.
There are many different types of molecules. Some common molecules include water, carbon dioxide, and salt.
How can the word be used?
A molecule of water is made up of two hydrogen atoms and one oxygen atom.
Different forms of the word
Noun: The smallest unit of a chemical compound that can exist independently and retains all the properties of that compound.
Adjective: Relating to or consisting of molecules.
Verb: To form into molecules.
Etymology
The word "molecule" comes from the Latin word "molecula," which means "tiny mass." The Latin word "molecula" is derived from the diminutive form of the Latin word "moles," which means "mass.".
The word "molecule" was first used in English in the 17th century to describe the smallest unit of a chemical compound. The word was originally used to compare molecules to small masses, such as grains of sand.
Question
What is a molecule?