1.

C) M shell can have upto 18 electrons. Then why Potassium (19) does not have the electronic configuration 2,8,9.​

Answer»

rule according to the energy of the electronsUp TILL ATOMIC no. 20 the electronic configuration will be LIKE 2,8,8,2 From atomic no 21 the electronic configuration will be like 2,8,9,2 and so on



Discussion

No Comment Found

Related InterviewSolutions