Question 2. (15 Marks) With the help of the periodic table and known electronic configurations of all elements, draw schematically, as shown in the following enclosed drawing of the electronic structure of Boron, the orbital configuration of: (a) Potassium (K) (b) Silicon (Si) (c) Cobalt (Co) Mark the number of electrons that occupy a given orbital. (Electronic configuration of Boron: 1s22s22p1 )