What is another word for atom?
Pronunciation: [ˈatəm] (IPA) 
Atom is a fundamental unit of matter that contains a nucleus consisting of protons and neutrons, surrounded by electrons. There are several synonyms for the word atom, such as particle, molecule, corpuscle, bit, or iota. These words are often used interchangeably but have different meanings. Particle is typically used to refer to something small and discrete, molecule is used to describe a group of atoms held together by chemical bonds, corpuscle is used in particle physics to refer to a class of particles, bit refers to a tiny unit of information, and iota refers to a very small amount or quantity. Regardless of the synonym used, all relate to the smallest building block of any element or compound recognized by modern science.
