Question

The smallest particle of an element that has the properties of that element

Answer 1

atom

Answer 2

the sub-atomic particles that makes an atom of an element are protons, neutrons and electrons

Answer 3

dont forget the bosom, fermion as well as the neutron....^_^

Answer 4

Atom-is the smallest particle of an element that has the properties of that element. Sub atomic particles won't have all the properties pertaining to one single element.