Lecture 1 Review ProblemsKey

Lecture 1 Review ProblemsKey - Lecture 1 Review Problems 1....

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Lecture 1 Review Problems 1. The atomic number of an element a. equals the number of neutrons in an atom. b. equals the number of protons in an atom. c. equals the number of protons minus the number of neutrons. d. equals the number of neutrons plus the number of protons. e. depends on the isotope. 2. The atomic weight (atomic mass) of an element a. equals the number of neutrons in an atom. b. equals the number of protons in an atom. c. equals the number of electrons in an atom. d. equals the number of neutrons plus the number of protons. e. depends on the relative abundances of its electrons and neutrons. 3. Which of the following statements about the isotopes of an element is not true? a. They all have the same atomic number. b. They all have the same number of protons. c. They all have the same number of neutrons. d. They all have the same number of electrons. e. They all have identical chemical properties. 4. Which of the following statements about covalent bonds is not true? a. A covalent bond is stronger than a hydrogen bond. b. A covalent bond can form between atoms of the same element.
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This note was uploaded on 02/09/2012 for the course BIOLOGY 102 taught by Professor Anderson during the Spring '11 term at Harvard.

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Lecture 1 Review ProblemsKey - Lecture 1 Review Problems 1....

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