When ions are stimulated, their charges may change. For example, when an atom gains or loses electrons, its charge changes. If an atom gains electrons, it becomes more negatively charged and if it loses electrons, it becomes more positively charged.
When ions are stimulated, their charges may change. For example, when an atom gains or loses electrons, its charge changes. If an atom gains electrons, it becomes more negatively charged and if it loses electrons, it becomes more positively charged.