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2nd benchmark review

Quiz by Michael Snead

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240 questions
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  • Q1
    35 amu add 17 proton and 18 neutrons together
    If an atom has 17 protons, 18 neutrons, and 17 electrons, what is the mass of this atom? _______
    30s
  • Q2
    p+ and n 0
    Which two subatomic particles contribute the most to the mass of an atom? _____________________________
    30s
  • Q3
    electron - proton + neutron 0
    What is the charge of the electron: ____ the neutron: ________ and the proton: _________
    30s
  • Q4
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    How do valence electrons differ from other electrons in an atom?
    30s
  • Q5
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    A They are the negatively charged electrons in the atom.
    30s
  • Q6
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    B They are the positively charged electrons in the atom.
    30s
  • Q7
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    C They are only in the outermost energy level of the atom.
    30s
  • Q8
    C They are only in the outermost energy level of the atom.
    D They are only in the innermost energy level of the atom.
    30s
  • Q9
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    How can an element be identified? (Choose 2)
    30s
  • Q10
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    I. By its atomic number
    30s
  • Q11
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    II. By its atomic mass
    30s
  • Q12
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    III. By the number of protons in an atom of the element
    30s
  • Q13
    I and III
    IV. By the number of protons and neutrons in an atom of the element
    30s
  • Q14
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    I. By its atomic number AND
    30s
  • Q15
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    III. By the number of protons in an atom of the element
    30s

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