In ionization, the ion with a net positive charge on it is termed as ‘positive ion’ or ‘cation’. This whole process is termed as ionization. Now, if the ion is formed by a loss of electrons, a positive charge is developed, and if it is formed by the gain of electrons, then a negative charge is imparted to the particle. Ions are defined as a molecule or an atom, wherein the total number of electrons is not equal to the total number of protons, thus, giving the atom a net positive or negative electrical charge. These neutrons, electrons, and protons are further classified into ions. Often, the charge of the atom is neutral in nature, because it is consist of equal number of protons and electrons. Now, depending on the number of protons and electrons in the nucleus, the charge of the atom is determined. Only, the protons and the neutrons are present inside the atom, whereas the electrons revolve around the nucleus in a dedicated circular path. An atom consists of a small nucleus, which is made up of protons, neutrons and electrons. So, all matter, living or non-living organisms are made up of atoms.
And, matter is what the entire universe made off. In chemistry, atom is considered to be the smallest particle of a matter. The key difference between the two ions is their net electrical charge of the ion, wherein a positive ion has a net negative charge and a negative ion has a net positive charge. Key difference: A positive ion and a negative ion are a part of an atom or a molecule.
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