Chemistry Placement Test

Chemistry Placement Test - Chemistry Placement Test...

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Chemistry Placement Test Instructions: n For this placement test, use only the on-line periodic table and a calculator. Click the button next to the appropriate answer. At the end, click the Submit for grading button only once. Do not press ENTER while answering questions; this will cause the test to be graded & submitted. The placement test is multiple choice, and should take 20-30 minutes to complete. Complete the test in one sitting. Click here to view in a new window: periodic table, abbreviations, symbols, and constants Enter your name: 1. What is the chemical formula of iron (III) oxide? FeO Fe 2 O 3 Fe 3 O Fe 3 O 2 2. When one formula unit of Co(NO 3 ) 2 is dissolved in water, what ions are formed? one Co 2+ ion and one (NO 3 ) 2 2- ion one Co 3+ ion and one NO 3 - ion one Co 2+ ion, two N 5+ ions and six O 2- ions one Co 2+ ion and two NO 3 - ions 3. The 37 Cl -1 isotope contains: 17 protons, 20 neutrons and 17 electrons 17 protons, 20 neutrons and 18 electrons 17 protons, 37 neutrons and 18 electrons 37 protons, 37 neutrons and 38 electrons 4. One mole of sugar (C 11 H 22 O 11 ) contains how many moles of carbon? 1 mole
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Chemistry Placement Test - Chemistry Placement Test...

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