What context can I use each word in?
Learn when and how to use these words with these examples!
atom
Example
An atom of oxygen consists of eight protons, eight neutrons, and eight electrons. [atom: noun]
Example
The scientist studied the behavior of atoms in a chemical reaction. [atoms: plural noun]
molecule
Example
Water is made up of two hydrogen atoms and one oxygen atom, forming a molecule of H2O. [molecule: noun]
Example
The chemist analyzed the structure of complex molecules in the laboratory. [molecules: plural noun]
Good things to know
Which word is more common?
Atom is a more commonly used term compared to molecule. Atom is widely used in scientific discussions and everyday language, while molecule is more specific to the field of chemistry.
What’s the difference in the tone of formality between atom and molecule?
Atom is generally considered a more formal term, commonly used in scientific and academic contexts. Molecule is also used in formal settings but can be employed in a wider range of contexts, including informal conversations.
