I need some help, please!!

A) trigonal planat 15) Predict the number of regions of electron density (domains) around the central atom in the molecule of BeH2. And predict the hybridization of the central atom. A) 2,sp B) 4,sp3d2 C) 4,sp3 16) Predict the number of regions of electron density (domains) around the central atom in the molecule of SF6. And predict the hybridization of the central atom. A) 6,sp3d2 B) 3,sp2 C) 6,sp3d 17) Predict the number of regions of electron density (domains) around the central atom in the ion of CO3 2-. And predict the hybridization of the central atom. A) 5,sp3d B) 3,sp3 C) 3,5p2 25) Which of the following figure represents the formation of a antibonding molecular orbital? A) B) C) D)