45 15 How many s-sp bonds are there in the following substance? 1 5 3 A) 1 B) 2 C) 3 D) 4 E) 6

86. Predict the electron pair geometry and the molecular structure of each of the following: (a) IOF5 (I is the central atom) (b) POCl3 (P is the central atom) (c) Cl2SeO (Se is the central atom) (d) ClSO+ (S is the central atom) (e) F2SO (S is the central atom) (f) NO2− (g) SiO4 4−

Which of the following molecules does not have a dipole moment? (a) CH3Cl (b) CH2Cl2 (c) CFCl3 (d) CHCl3

1A2: Define electron pair domain (EPD), count EPDS on building blocks, and use EPD knowledge to determine 3D geometry and bond angles of a tetrahedral, trigonal planar, linear building block. For the indicated atoms (look for the arrows) in each of the given structures: (a) state how many EPDs are present; (b) Label tetrahedral atoms with "TET," trigonal planar atoms with "TP," and linear atoms with "LIN;" (c) Identify one (1) indicated atom in each structure for which resonance structures bring a change in the number of EPDs from 4++3/3+4 or 3+2/2+3. A resonance structure must be reported to justify your reported EPD changes. H₂C CH3 --С HO 1 Br -CH3 CH3 CI H₂C N CH3 CH3 он о

What are the electron-pair geometry and the molecular structure of each of the following molecules or ions?(a) ClF5(b) ClO2−(c) TeCl42−(d) PCl3(e) SeF4(f) PH2−

Predict the electron pair geometry and the molecular structure of each of the following:(a) IOF5 (I is the central atom)(b) POCl3 (P is the central atom)(c) Cl2SeO (Se is the central atom)(d) ClSO+ (S is the central atom)(e) F2SO (S is the central atom)(f) NO2−(g) SiO44−

Estimate the percent ionic character of the bond in each of the following species. All the species are unstable or reac- tive under ordinary laboratory conditions, but they can be observed in interstellar space. Bond Length (À) Dipole Moment (D) OH 0.980 1.66 CH 1.131 1.46 CN 1.175 1.45 1.246

What is the electron geometry of: 1)IF2O- 2)BrF3O

Which of these molecules has a linear molecular geometry and the molecule is polar?           (A) CO2          (B) Cl2O          (C) N2O          (D) SO2

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