Biology Chapter 2

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Author:
3alm001
ID:
236530
Filename:
Biology Chapter 2
Updated:
2013-09-23 15:57:32
Tags:
Mastering Biology
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Description:
Chapter 2 of Mastering Biology and information from the book.
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  1. A substance that cannot be broken down into other substances by ordinary chemical procedures is a(n) _____.
    A.     isotope
    B.     proton
    C.     molecule
    D.     element
    E.     compound
    D.     element
    (this multiple choice question has been scrambled)
  2. What is the mass number of an ion with 107 electrons, 159 neutrons, and a +1 charge?
    267
  3. The innermost electron shell of an atom can hold up to _____ electrons.
    A.     32
    B.     18
    C.     1
    D.     2
    E.     8
    D.     2
    (this multiple choice question has been scrambled)
  4. Which of these relationships is true of an uncharged atom?
    A.     The number of neutrons is equal to the number of protons.
    B.     The number of protons is equal to the number of electrons.
    C.     The atomic mass is equal to the atomic number.
    D.     The number of electrons is equal to the number of neutrons.
    E.     The atomic mass is equal to the number of electrons.
    B.     The number of protons is equal to the number of electrons.
    (this multiple choice question has been scrambled)
  5. What determines the types of chemical reactions that an atom participates in?
    A.     its atomic number
    B.     its atomic mass
    C.     the number of protons it contains
    D.     the number of electrons in the innermost electron shell
    E.     the number of electrons in the outermost electron shell
    E.     the number of electrons in the outermost electron shell
    (this multiple choice question has been scrambled)
  6. What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons?
    A.     0
    B.     18
    C.     -1
    D.     12
    E.     6
    E.     6
    (this multiple choice question has been scrambled)
  7. Which of these refers to atoms with the same atomic number but different atomic masses?
    A.     These atoms are different elements.
    B.     These atoms have different numbers of electrons.
    C.     These atoms are isotopes.
    D.     These atoms have different numbers of protons.
    E.     These atoms are isomers.
    C.     These atoms are isotopes.
    (this multiple choice question has been scrambled)
  8. Fluorine's atomic number is 9 and its atomic mass is 19. How many neutrons does fluorine have?
    A.     28
    B.     9
    C.     19
    D.     10
    E.     81
    D.     10
    (this multiple choice question has been scrambled)
  9. An uncharged atom of boron has an atomic number of 5 and an atomic mass of 11. How many protons does boron have?
    A.     16
    B.     6
    C.     11
    D.     0
    E.     5
    E.     5
    (this multiple choice question has been scrambled)

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