Where would you locate the element with electronic configuration 2,8 in the Modern Periodic Table?
(a) Group 8
(b) Group 2
(c) Group 18
(d) Group 10
Ans (c)
Sol
Electronic configuration 2, 8 means a complete octet. So the element is a noble gas.
Element which has 8 electrons in the outer most shell belong to 18th group.
Hence option (c) is correct.