How Does A Cation Form - Web when a stable atom gains or loses an electron, it becomes an ion. Learn how cations form, their types,. Web a cation is an ionic species with a positive charge, such as ag +, al 3+ or ca 2+. For example, when chlorine takes an electron from.
Web a cation is an ionic species with a positive charge, such as ag +, al 3+ or ca 2+. Web when a stable atom gains or loses an electron, it becomes an ion. Learn how cations form, their types,. For example, when chlorine takes an electron from.