: :
(1) What is the shells of Al?
(2) What is the shells of Si?
(3) What is the shells of P?
(4) What is the shells of Ar?
(5) What is the shells of Ne?
(6) What is the shells of Be?
(7) What is the shells of Sc?
(8) What is the shells of He?
(9) What is the shells of V?
(10) What is the shells of S?