CHEM-6 Midterm: CHEM 6 Dartmouth Exam2 05 Exam
Document Summary
You must attempt all ten questions on the exam. All submitted work must be your own effort. The honor principle applies to your submission of this exam. The last page contains equations and other potentially useful information. Feel free to tear it off to use during the exam: (8 points) by our simple rules, the effective nuclear charge for the 2s and the 2p electron in boron should be equivalent. In reality, zeff for the 2s electron is slightly greater. Why: (11 points) one of the excited states of h has the electron in the 4p orbital. 2s 5d 5f: (5 points) group together the isoelectronic species from the following list. Na+, ne, s2-, f-, n3-, ca2+ (10 points) arrange these elements in order of increasing atomic radius. Br, as, se: (12 points) calculate the change in energy for the gas phase reaction.
