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Unit 1: Isotopes & Percent Abundance

Quiz by Hugh King

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25 questions
Show answers
  • Q1
    An isotope on the same element has a different number of _____.
    protons
    electrons
    neutrons
    30s
  • Q2
    What does the decimal number under the symbol of an element of the periodic table tell you?
    Atomic number
    Mass number
    Atomic Mass

    Number of croutons

    30s
  • Q3
    To get the mass number you should add the _____ .
    protons and electrons

    electrons and neutrons

    proton and croutons
    protons and neutrons
    30s
  • Q4
    An atom of an element is neutral because the number of _____ are the same.
    protons and neutrons
    neutrons and electrons

    neutrons and croutons

    protons and electrons
    30s
  • Q5
    What subatomic particle gives an element its identity?
    Number of electrons
    Number of protons
    Number of neutrons
    30s
  • Q6
    How do you determine the mass number of an element?
    protons + neutrons
    electrons + neutrons
    protons + electrons
    30s
  • Q7
    If Magnesium-24 has 12 protons, how many protons does Magensium-25 have?
    25
    24
    12
    30s
  • Q8
    How many neutrons does Chromium-52 have?
    24
    28
    52
    30s
  • Q9
    How many neutrons does Chromium-50 have?
    24

    50

    26
    52
    30s
  • Q10
    What is the mass number of Carbon-14?
    6
    8
    14
    30s
  • Q11
    What is the mass number of Carbon-13?
    6

    14

    8
    13
    30s
  • Q12
    How many protons does Beryllium-9 have?
    4

    7

    9
    5
    30s
  • Q13
    How many protons does Beryllium-7 have?
    4

    7

    9
    5
    30s
  • Q14
    What subatomic particle is used to identify an element?
    Number of protons
    Number of neutrons

    Number of croutons

    Number of electrons
    30s
  • Q15

    Using the periodic table, what is the most abundant isotope of Lithium?

    Lithium-7

    Lithium-6

    Lithium-6.94

    Lithium-3

    30s

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