The electron configuration shows that the last shell of chlorine has seven electrons. Therefore, the valence electrons of chlorine are seven. Valency of Chlorine Chlorine has the atomic number 17 (Z=17). Chlorine’s electronic configuration is written as 2, 8, 7. In the shells K, L, and M, 2, 8, 7 electrons are distributed. As a result, chlorine’s valence electron is 7, and it needs to gain one electron from the outermost orbit to reach octet. As a result, chlorine has a valency of 1. By using this method, you can find the valency of chlorine, sulfur, magnesium, and more. This helps us understand their chemical properties and how they behave. Figuring out the valency of elements like chlorine, sulfur, and magnesium is easier with the electronic configuration method. How do you find the valency of chlorine, sulphur and magnesium?. Ans: Hint: Try to recall that chlorine is an element of group 17, sulphur is an element of group 16 and magnesium is an element of group 2 of modern periodic table.Complete step by step...
