The smallest element is hydrogen (the mass of H-1 is 1 amu).
The smallest particle of an element in chemistry is an atom. Atoms are made up of protons, neutrons, and electrons.
An atom is the smallest particle something can be broken up into without it turning into a different element.
John Dalton, an English scientist, proposed the theory that atoms are the smallest particle of an element that retains its chemical properties. His work on atomic theory laid the foundation for modern chemistry.
The smallest quantity of an element is an atom.
a quark or if you mean the smallest element hydrogen
ATOM
the smallest element is hydrogen of which its valency is one.
The atom is the smallest unit of an element that has all the properties of the element.
The smallest identifiable unit of an element that retains the properties of the element is an atom.
The smallest particle of an element is called an atom.
Element
An atom is the smallest particle that is still recognisably the element