An element X with the electronic configuration 1s^2 , 2s^2 2p^6 , 3s^2 would be expected to form the chloride with the formula 2s2 2p6 3s^2 would be expected to form the chloride with the formula An element X with the electronic configuration 1s^2 December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]