An atom is the basic unit of matter, while a molecule is a chemical combination of two or more atoms. Understanding these terms is fundamental in chemistry. They illustrate how elements combine to form compounds. ;
An atom is the fundamental unit of matter, while a molecule consists of two or more atoms bonded together. Understanding these definitions is key in the study of chemistry. For example, in water (H2O), two hydrogen atoms bond with one oxygen atom to form a molecule.
;