Sample Questions for the Chemistry Placement Test The chemistry placement test is used to assess your present level of general chemistry knowledge in addition to your mathematical skills. You will be provided scratch paper (you cannot write on the test itself) and the Periodic Table of the Elements, and you will be allowed to use a calculator. You will have 45 minutes to answer 44 multiple choice questions, with the following sample questions intended only as a guideline: 1.If the formula for potassium chlorate is KClO3and the formula for magnesium fluoride is MgF2, then what is the formula for magnesium chlorate? 2.From the periodic table, what is the atomic number of aluminum? 3.Which one of the following elements does not exist as a diatomic molecule in nature? For questions 4. and 5., consider the following reaction: 4 Al (s) + 3 O2(g) ⇒2 Al2O3(s) 4.The reaction can be classified as which one of the following types?
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