The electronic configuration of two atoms X and Y are as follows: X – 1s 2 2s 22p 63s 1, Y -1s 22s 22p 63s23p 64s 2 which of the statements below is true of the position of X and Y in the Periodic Table?
-
A.
x belongs to group 1, Y belongs to period 2, -
B.
x belongs to group 1, Y belongs to period 4 -
C.
x belongs to group 2, Y belongs to period 1 -
D.
x belongs to group 3, Y belongs to period 2 -
E.
x belongs to group 3, Y belongs to period 4