Carissa83go Carissa83go Science Answered 5. An atom that has an electronic configuration of 1s² 2s² 2p² 2py² 2pz² 3s²3px² 3py² 3pz² 4s² 3d¹ 3d¹ 3d¹ 3d¹ 3d¹ is classified asa) An alkali metalc) a transition elementb) an alkaline earth metald) a noble gas