17. A molecule, that is sp3d hybridized and has a molecular geometry of linear, has bonding groups and lone pairs around its central atom. A) 5, 1 B) 4, 2 C) 4, 1 D) 3, 2 E) 2, 3 18. How many moles are in 2.16 1024 atoms of magnesium? A) 35.9 moles B) 3.59 moles C) 0.359 moles D) 7.18 moles E) 0.90 moles 2