Particle is a generic term that can refer to any little thing from an electron to a quark to a proton to an atom to a molecules to a little speck of junk.
Relative to everyday experience, atoms are minuscule objects with proportionately tiny masses. Atoms can only be observed individually using special instruments such as the scanning tunneling microscope. Over 99.9% of an atom's mass is concentrated in the nucleus
An iron atom is the smallest iron particle that still has the properties of iron.
This particle is the atom.
An atom is the smallest particle that comprises a chemical element.Source:http://en.wikipedia.org/wiki/Atom
In the atom the particle without electrical charge is the neutron.
An atom is the smallest particle of a substance.
An atom is a particle, the smallest particle that can exist by itself.
The smallest particle of an element is called an atom.
The atom is the smallest known particle.
In the atom the particle without electrical charge is the neutron.
The smallest particle in the atom is the electron.
This particle from the atom is the electron.
An iron atom is the smallest iron particle that still has the properties of iron.
the positivly charged particle in the nuclus of an atom is a proton
This particle is the atom.
This particle is the neutron.
In the atom this particle is the electron.
a particle that revolves around the nucleus of an atom is an electron Electrons