2005 Exam 1A

2005 Exam 1A - Name _ ID#_ Section # _ CH 101 EXAM 1 Fall...

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Name ______________________________ ID#_______________________ Section # ________ CH 101 EXAM 1 Fall 2005 - Form A Fill in your name, ID#, and section on this test booklet. Fill in and bubble in your name, ID#, and section on the scantron form. For question #60 mark A. Mark the best answer after reading all possible choices. Use a #2 pencil and make clean erasures to insure proper scoring. When finished, turn in your scantron sheet and show this booklet and your CUID to the proctor. Good Luck! 1. The diameter of an atom is approximately 1 × 10 – 8 cm. What is this diameter when expressed in kilometers? A. 1 × 10 – 19 km D. 1 × 10 – 3 km B. 1 × 10 – 13 km E. 1 × 10 – 1 km C. 1 × 10 1 km 2. What element would react the most like F? A. Na C. Bi B. Br D. Si 3. We know that Calcium burns in air via this reaction: 2Ca( s ) + O 2 ( g ) 2CaO( s ) Predict the most likely product when magnesium burns in air? A. Mg 2 O 2 C. MnO 2 B. MgO D. MgO 2 4. Boron obtained from borax deposits in Death Valley (not the one in Clemson) consists of two isotopes. They are boron-10 and boron-11 with isotopic masses of 10.013 amu and 11.009 amu, respectively. The atomic mass of boron is 10.81 amu (see periodic table). Which isotope of boron is more abundant, boron-10 or boron-11? A.
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2005 Exam 1A - Name _ ID#_ Section # _ CH 101 EXAM 1 Fall...

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