plz help from 1-4

Discussion Questions: 1. Which of these species are polar? Draw a Lewis structure for each molecule. Use a table with the headings Formula, Lewis Structure, Polarity a) CH4 b) CH3Cl c) CCl4 d) C2H4 e) S O3 f) SCl2 g) PH3 h) BCl3 i) SO2 j) TeC 14 2. Which of these involve double bonds in their Lewis structures? Assume that all atoms follow the octet rule. Draw Lewis structures for each species. Use a table with the headings Formula, Lewis Structure, Multiple Bonds a) CO32- b) SO42 c) SO3 d) CO2 e) SiO32 f) SO32 3. What is the shape of the following species? Draw Lewis structures for each species. Use a table with the headings Formula, Lewis Structure, Shape a) CS2 b) BO33 c) TiCl4 d) TeO2 e) IO3 - f) SCl2 g) SiO32 h) SF4 i) AsF5 j) A k) XeF2 1) MoF4m)ICl4 n) IF5 4. Measurements have shown that hydrogen peroxide (H2O2,) is a polar molecule. Sketch a Lewis structure for the hydrogen peroxide molecule. Is H2O2 a symmetrical molecule? Explain. Why is it a polar molecule