Which of the following element has least number of electrons in its M-shell?

Which of the following element has least number of electrons in its M-shell?

Q. Which of the following element has least number of electrons in its M-shell?

A.            K

B.            Mn

C.            Ni

D.            Sc

Answer: K

Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page