The symbol for electric charge is written q, -q or Q. The unit of electric charge is coulomb "C". The charge of one electron is equal to the charge of one proton, which is 1.6 * 10-19C. This number is given a symbol "e".
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The electron configuration of the element with the symbol W (tungsten) is Xe 4f14 5d4 6s2.
The symbol for the cation formed when a potassium atom loses one electron is K+. This cation is called a potassium ion.
The ionic symbol for chloride is Cl-. It represents the chloride ion, which is formed when a chlorine atom gains one electron to achieve a stable electron configuration.
The symbol for the cesium ion is Cs+. It represents cesium in its +1 oxidation state, meaning it has lost one electron to achieve a stable electron configuration.
A stable electron configuration for a chlorine ion can be achieved by gaining one electron. This would give the chlorine ion a full outer shell of electrons. The symbol for a stable chlorine ion with an extra electron would be Cl-.