CHEM 120 Midterm: CHEM 120 Midterm
Document Summary
This practice test lists several possible questions and resembles the actual test on friday. You should look at the exam 1 study guide. You will have a similar page with conversion factors etc. at the exam. Be sure to choose only one answer for each part. You may use a calculator, but it must be a calculator not a phone, computer, music player, etc. You may not have an internet connection open at any time. Report numerical answers to the correct number of significant digits and with the units clearly specified. Each incorrect answer will result in subtraction of two points. Which of the following is the smallest mass: 4. 0 x 10-6 g, 4. 0 x 109 ng, 4. 0 x 10-2 g, 4. 0 x 10-3kg, 4. 0 x 10-9 mm. The number of significant figures in the measurement of 45. 030 mm is: two, three, four, five, six.
