Its atom: aluminium is an element.
one atom
Electron
The atom is the smallest known particle.
subatomic particle
A molecule is the smallest particle of a "compound" being that compounds are made up of more than one atom. The smallest particle of any "chemical element" that retains its properties would be the atom.
This particle is the atom.
An atom is the smallest particle of an element that still has the chemical characteristics of that element
A quark is the smallest particle in matter.
An atom is the smallest particle of a substance.
The smallest particle of an element is called an atom.
The atom is the smallest known particle.
The smallest particle in the atom is the electron.
Atoms are NOT the smallest particle- they are the smallest COMPLETE particle. In an atomic reaction, the atoms are broken apart, and release energy.
A molecule is the smallest particle of a compound that still retains its properties. An atom is the smallest particle of an element that still retains its properties.
A Higgs-Boson particle.
An atom is a particle, the smallest particle that can exist by itself.
subatomic particle
This particle is called atom.
Hydrogen has the smallest atomic mass at roughly 1.008 grams per mol (6.02x10^23 atoms)