4. ELECTRONEGATIVITY For each of the following sets of atoms, rank them from lowest to highest electronegativity. a. Li, CN b. C. O, Ne c. Si, P. O d. K. Mg. P e. S. F. He

4. Draw the BEST Lewis structure (with formal charges) of the indicated chemical species. A. HBrO₂ B.BrO3 E. CIO₂ C. Se042- H. 103 D. HPO42- I. HSeO4 F. HBrO3 G. BrO₂ HIO₂ : IBV (1)(7): 7 30 (3) (4) 18 11 Charge 26e4 -4 20€'s 0: FC-6-[(3) + 1/2₂ (6)] 10 (C-7-[(4) ¹ ½ (6) F K. H₂SO4 00 ↑ : 0:6 =Br- 11@ :0

multiple can be the answer

Please explain the following!

Please help me with numbers 4 and 5

Write Lewis structures that obey the octet rule for each of the following molecules and ions. (In each case the first atom listed is the central atom.) a. POCl3, SO42-, XeO4, PO43-, ClO4- b. NF3, SO32-, PO33-.Cl3- c. ClO2-, SCl2, PCl2- d. Considering your answers to part a, b, and c, what conclusions can you draw concerning the structures of species containing the same number of atoms and the same number of valence electrons?

Need complete solution please.

Which of the following compoundis) have bonds that are polar covalent? Select one: Oa. KCI Ob. CF. Oc. CH O d. both a and b Oe. both b and c O f. a, b andc

From the Lewis structures of the species given, pick all of those in which the central atom obeys the octet rule. :I-Be-I: :0 :Br: :F: F-s-F: .. H H. O None of the Above

1. Draw the Lewis Structure and list the electron geometry for each of the following molecules. A. H;0 В. NH C. CH4 D. SO: electron geometry: electron geometry: electron geometry: electron geometry: E. CO: F. SF4 electron geometry: electron geometry: