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Identify the atomic and/or hybridized orbitals in the C-O sigma bond in propanal. A. (2sp3,2sp3) B. (2sp2,2sp2) C. (2 sp, 2sp) D. (2p,2p) E. ( 2sp,1s) Based on VSEPR theory, which of the following would have a trigonal planar shape? A. NH4+ B. HCN C. (CH3)3N D. CH3+ E. CH4 F. CH3 How many s-sp 3 bonds are there in the following substance? A. 3 B. 5 C. 4 D. 2 E. 13 In which of these cases does the central atom have a 1 formal charge? B. C. HFH D