2023 Morehead State University Chemistry Faculty. All Rights Reserved. Copying of this material is illegal. Prelab: Lewis Structures & VSEPR Theory Name Laney Porter **- illegal. 1. The Lewis dot symbol consists of the symbol for the element surrounded by dot(s). What does the dot or dots represent? A) Electron configuration C) Atomic number 2. Which of these compounds is most likely to be ionic? A) NC13 B) BaCl2 C) CO D) SO 3. How many valence electrons does CO2 have? 4. How many valence electrons does NO3- have? 5. The Lewis dot symbol for the S-ion is A): S: B) 2- C) S- : F: ww :S: D) F=N=F 6. The Lewis dot symbol for the calcium ion is 2+ A) [:ca:] + B)-Ca- C) : F: (B) Valence electrons D) Atomic mass 10 10. What is the predicted A) tetrahedral D) square planar Lir - illegal. 7. Select the correct Lewis structure for nitrogen trifluoride, NF3. A): F-N-F: B) F-N=F : F: E) F=N=F : F: D) - 2+ [:ca]+ 76 E) SF4 E) Core electrons D) Ca+ 8. A triple bond cannot exist between a carbon a