An atom is a particle of matter that uniquely defines achemical element.
An atom consists of a central nucleus that is usually surrounded by one or more electrons.
Each electron is negatively charged.
The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons.
What is a atom simple definition?
The definition of an atom is the smallest component of an element, characterized by a sharing of the chemical properties of the element and a nucleus with neutrons, protons and electrons.
What is Atom short answer?
Atoms can join together to form molecules, which in turn form most of the objects around you. Atoms are composed of particles called protons, electrons and neutrons. A particular atom will have the same number of protons and electrons and most atoms have at least as many neutrons as protons.
What best describes a atom?
The smallest unit of an element, consisting of at least one proton and (for all elements except hydrogen) one or more neutrons in a dense central nucleus, surrounded by one or more shells of electrons. In electrically neutral atoms, the number of protons equals the number of electrons.
What is the another name of atom?
atom. fragment, mite, speck, particle, iota, mote, jot, grain, scintilla; see also bit 1. the smallest particle of an element, molecule*, smallest quantity of a radical, basic unit, basic constituent, irreducible unit, irreducible constituent, atomic mass unit.