Concept Check . Write the Lewis structures for: SiO2 CH4 .IBr2* . What is the shape of these species? More on this later g0
Draw Lewis structures for the following molecules: XeCl4, SiO2, CH3Br, OF2, SO2, I2 Which of the molecules may have a rotational Raman spectrum? List the gross selection for being rotational Raman active.
2. (Section 4.6) Provide the correct Lewis Structures for the fllowing molecular formulas: a. CH4 b. H20 c. CH20 d. CH40 e. C2H2 f. C2H6 3. (Section 4.9) For each of the structures below identify any polar bonds with appropriate partial charges (6-or δ). Then, identify the molecule as polar or non-polar 0 POLAR
Draw Lewis dot structure for CH4
2. Give the number of valence electrons and draw the Lewis dot structures for the following elements: Valence electrons Lewis dot structure a. Br - - b. P c. S d. B c. Ge 3. Draw the Lewis structures of the following and indicate whether or not the molecules satisfy the octet rule. H2O BF3 BeH2 CO2 12-2 CHEH1314-YEAR 2019-2020
Draw Lewis Structure • Predict geometry • Predict bond angle • Predict podarity > SiO2 > Krclz > H₂CO3 > CH3CH2COOH C6H12 NO₃- > PO43-
5. Draw the Lewis structures of the following compounds/ions. a) OF2 b) SO32- c) BH d) CO
Lewis Structures; Resonance Structures (Sections)(a) Draw the dominant Lewis structure for the phosphorus trifluoride molecule, PF3, (b) Determine the oxidation numbers of the P and F atoms, (c) Determine the formal charges of the P and F atoms.
1. Draw Lewis Dot structures for the following: a. O b. Ge c. S-2 d. CO2 e. NF3 f. CC14
2.) Draw correct Lewis dot structures for each of the following molecules. Draw all reasonable resonance structures. Expand the octet of the central atom (if possible) in order to minimize formal charges. Calculate formal charges on each atom. 12 pt.) a. CIO, b. NO, C. SO,