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Chem 1 Exam 1 - Chemistry 1450 Exam 1 Spring 2008 Name...

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Chemistry 1450; Exam 1 Spring 2008 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) What is the chemical symbol for tin? A) Ta B) Sb C) Ti D) Sn 1) 2) Calcium belongs to the ________ group of the periodic table. 2) 3) Convert 0.003002 to standard scientific notation. 3) 4) A student weighed 3000. μg of sulfur in the lab. This is the same mass as A) 3.000 × 10 3 mg. B) 3.000 × 10 - 6 g. C) 3.000 × 10 6 ng. D) 3.000 × 10 - 3 kg. 4) 5) The nightime and daytime temperatures on Mercury are 13 K and 683 K respectively. The melting point and boiling point of sulfur is 246°F and 832°F. Which of the following statements is true ? On Mercury sulfur exists 5)
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