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