An atom.
An element.
The smallest particle of an element is called an atom.
A particle is part of a element, and the element has particles in it. A particle is like a small tiny object and a element is stuff combined.
This particle is the atom.
An atom of iron is the smallest particle of the element iron.
This particle is the atom.
Hydrogen-1. It is a single proton and a single electron.
An "element" is not a subatomic particle. Your question makes no sense and is therefore unanswerable.Another answer:Since an element is not a subatomic particle, the only answer can be a proton.
The simplest particle of an element is an atom. This is the form in which any element can be fully divided into without losing its properties.
The number of protons tells you which chemical element the atom is. The number of neutrons determines the isotope of the element.
The smallest particle of an element that has the properties of that element is called an atom.
This particle is the proton.