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Unit 4 Review

Quiz by Christina Wallace

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19 questions
Show answers
  • Q1
    .
    Question Image
    5 protons 11 neutrons
    11 protons 6 nuetrons
    11 protons 5 neutrons
    5 protons 6 neutrons
    60s
  • Q2
    The number of which type of particle determines the identity of an element?
    neutrons
    photons
    protons
    electrons
    60s
  • Q3
    The sum of the protons and neutrons in an atom.
    atomic mass
    allotrope number
    isotope number
    atomic number
    60s
  • Q4
    Identifies the type of element and also gives you the number of protons.
    atomic number
    isotope number
    allotrope number
    atomic mass
    60s
  • Q5
    Which describes an atom with an atomic number of 17
    17 protons 17 electrons
    17 protons 19 neutrons
    18 protons 17 neutrons
    17 protons 17 neutrons
    60s
  • Q6
    Which describes an atom with an atomic number of 6
    8 protons and 6 neutrons
    6 protons 7 neutrons
    6 protons 6 neutrons
    6 protons 8 neutrons
    60s
  • Q7
    Identify the atom with the atomic number 19
    chlorine
    flourine
    potassium
    sodium
    60s
  • Q8
    An atom has 20 protons, 20 electrons, and 20 neutrons. What is its mass number?
    60
    18
    40
    20
    60s
  • Q9
    Which of the following statements best describes the nucleus of a neutral atom in terms of density and charge?
    It is not very dense and has zero charge.
    It is highly dense and positively charged.
    It is not very dense and is negatively charged.
    It is highly dense and has zero charge
    60s
  • Q10
    Atoms of the same element with different numbers of neutrons are called ____.
    radioactive elements
    metalloids
    isotopes
    allotropes
    60s
  • Q11
    The atomic number of carbon is 6. Consider an isotope of carbon whose mass number is 12.The total charge carried by the nucleus of a neutral atom of this isotope is:
    12-
    6-
    6+
    12+
    60s
  • Q12
    The element carbon has 2 naturally occurring isotopes. Which of the following describes the relationship of these isotopes?
    different mass, same atomic number
    same mass, same atomic number
    different mass, different atomic number
    same mass, different atomic number
    60s
  • Q13
    Which of the following pairs are isotopes of the same element?
    atom J (27 protons, 32 neutrons) and atom L (27 protons, 33 neutrons)
    atom Q (56 protons, 81 neutrons) and atom R (57 protons, 81 neutrons)
    atom S (17 protons, 18 neutrons) and atom T (18 protons, 17 neutrons)
    atom V (8 protons, 8 neutrons) and atom W (7 protons, 8 neutrons)
    60s
  • Q14
    Which best represents how electrons are arranged in the energy levels of a carbon atom?
    first energy level = 3 electrons and second energy level = 3
    first energy level = 1 electron and second energy level = 5 electrons
    first energy level = 4 electrons and second energy level = 2 electrons
    first energy level = 2 electrons and second energy level = 4 electrons
    60s
  • Q15
    According to the table, how do the two isotopes of potassium compare in terms of the numbers of neutrons, electrons, and protons per neutral atom? Isotope 1 contains:
    Question Image
    20 neutrons, 19 electrons, and 19 protons per neutral atom; Isotope 2 contains 21 neutrons, 19 electrons, and 19 protons per neutral atom
    39 neutrons, 19 electrons, and 19 protons per neutral atom; Isotope 2 contains 40 neutrons, 19 electrons, and 19 protons per neutral atom
    19 neutrons, 20 electrons, and 20 protons per neutral atom; Isotope 2 contains 20 neutrons, 19 electrons, and 19 protons per neutral atom
    19 neutrons, 19 electrons, and 19 protons per neutral atom; Isotope 2 contains 19 neutrons, 19 electrons, and 19 protons per neutral atom
    60s

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