Question

The element Q ( symbol is not real ) has electrons in its three shells . There are 5 electrons in the third shell .
a) Write down the sun shell electronic configuration of Q .
b) Find the group and period to which Q belongs ?
c) consider another element in the same group having electrons in two shells only. Write down the sub shell electronic configuration of it .

please tell me the correct answer​

Answer 1

Answer:

c is correct option correct option