If the balance of proton and electron is destroyed, the atom has a non‐zero net charge and is called an ion. If a electron is removed from the atom it becomes a positive ion, and if an electron is added the atom becomes a negative ion.
If the balance of proton and electron is destroyed, the atom has a non‐zero net charge and is called an ion. If a electron is removed from the atom it becomes a positive ion, and if an electron is added the atom becomes a negative ion.