Answer:
Cesium belongs to alkali metals which has one electron in their outermost shell so they lose only one electron and form cation. Cation is a positive charge on atom which is formed due to loss of electron.
Explanation:
Cesium is alkali metal. Its atomic number is 55. It is soft and silvery golden in color. Its melting point is 28.5 degrees Celsius. It is present in liquid form at room temperature.