Before you upload your file, ensure your name appears on the first page of your document. Do all the answers on a piece of paper, take a picture and submit it. 1. Among the following pairs of compounds, which is made up of only polar molecules? (1 mark) a. CCl4, BF3 b. NH3, CBr4 C. N2, H2S 2. What type of intermolecular force is found between? (2 marks) a. F2 and Cl2? b. water molecules? 3. Which ONE of the following substances is LEAST ionic? (2 marks) a. Naci b. KCI c. CuCl2 d. SbCla 4. Calculate the difference in electronegativity (AEN) for the bonds that would form between the groups of atoms listed below. State whether the bond would be ionic, polar covalent or non-polar covalent. (2 marks) a. N and CI b. B and Br 5. Explain why HBr is a polar molecule, but Hz and Br2 are not. (2 marks) 6. Name the orbitals described by the stated quantum numbers. (3 marks) a. n=3, I=0 b. n=4, 1=2 C. n=5, I=3 7. State the "n" and "1" quantum numbers for the following orbitals? (2 marks) a. 4d b. 5f 8. What are the possible ml values for the "f" orbital? (2 marks) 9. How many possible orbitals are there for n=10? (1 mark) 10. State the electron configuration for each of the following. Note: the ions either add electrons (if negative) or subtract electrons (of positive) from the basic neutral electron configuration of the element. (5 marks) a. Br b. Ba+ c. Na+ d. Br- e. CI- 6. What element corresponds to 1s22s22p63523p64523d104p6? (1 mark) 7. Correct the errors in the following:(2 marks) a. 1s 2s2p1 b. 1s 2s 2p 3s 3d c. 1s 2s 2p 3s 3p 451 d. 1s 2s22p63s 3p 3d