CHEM 1A Midterm: Midterm 2 bd key_REVISED-1

• School: UC-Irvine
• Department: Chemistry
• Course: CHEM 1A
• Professor: All

Document Summary

Chemistry 1a, section c, course code 40030, professor: r. m. Instructions: using a #2 pencil, enter the correct answer to each question on the scantron sheet pro- vided. Use the blank spaces on this this exam, and the back, for your calculations. Please turn in both the exam and the scantron. A periodic table and scratch sheet is found at the end of the examination. Estimate the li f bond length: 1. 3 a, 0. 82 a, 2. 6 a, 1. 8 a, none of the above, hbr has a bond distance of 140 pm and = 1. 10 in the gas phase. Select the best lewis dot structure for hydrazine: choose the best lewis structure for seo4. What is the formal charge on the central cl atom: +1, +2, -1, 0, none of the above. Note: noble gases are omitted from this table. Planck"s constant, h 6. 626 10 34 j s.