Question

For an atom x k l and m shells are completely filled. How many electrons will be present in it

Answer 1

Answer:

in k shell only 2 electron can be filled . In L shell 8 electron are filled . In M shell 18 electron are filled.

total number of electron =2+8+18

=28

In atom X there are 28 electrons

Answer 2

for an atom f k l and M shell are completely fixed how many electrons will be present in