the Major Difference between Molecule and Molecular Ion is that A molecule is a group of atoms that have joined together into one piece while molecular ion is a radical cation formed by removal of a single electron from a parent molecule in a mass spectrometer.
|It is the smallest particle of an element or compound that can exist independently and shows all the properties of that compound.||It is formed by gain or loss of electrons by a molecule.|
|It is always neutral.||It can have a negative or positive charge|
|it is formed by the combination of atoms.||it is formed by the ionization of a molecule.|
|it is a stable unit.||it is a reactive species.|