Periodic Table
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20 QuestionsShow answers
  • Question 1
    60 seconds
    Q.

    An atom of Calcium (Ca #20) will _______ 2 electrons and have an oxidation number of ______

    answer choices

    gain, -2

    lose, -2

    lose, +2

    gain, +2

  • Question 2
    60 seconds
    Q.

    An atom of Boron (B #5) will lose ____ electrons and have an oxidation number of ____

    answer choices

    5, +5

    3, -3

    5, -5

    3, +3

  • Question 3
    30 seconds
    Q.

    An atom of Nitrogen (N #7) has an oxidation # of ____

    answer choices

    +3

    -3

    5

    7

  • Question 4
    30 seconds
    Q.

    An atom of Oxygen (O #8) has _____ valence electrons

    answer choices

    4

    6

    8

  • Question 5
    30 seconds
    Q.

    An atom of Bromine (Br #35) has _____ valence electrons and a ______ oxidation number.

    answer choices

    7, +1

    7, -1

    5, +5

    35, +8

  • Question 6
    30 seconds
    Q.

    In the configuration, the atom has _____ valence electrons.

    answer choices

    6

    2

    8

  • Question 7
    60 seconds
    Q.

    The noble gas configuration is for which element?

    answer choices

    I

    At

    Br

    Cd

    Xe

  • Question 8
    60 seconds
    Q.

    The orbital diagram is for which element?

    answer choices

    Sulfur

    Oxygen

    Beryllium

  • Question 9
    30 seconds
    Q.

    In the configuration below, the atom has ____ valence electrons.

    answer choices

    5

    2

    17

    7

  • Question 10
    60 seconds
    Q.

    The electron configuration is for which element?

    answer choices

    K

    Se

    S

    Fe

  • Question 11
    30 seconds
    Q.

    Electronegativity INCREASES as you move from the TOP to the BOTTOM within a group of the periodic table.

    answer choices

    True

    False

  • Question 12
    30 seconds
    Q.

    Ionization Energy means "attractiveness" of an atom for electrons

    answer choices

    True

    False

  • Question 13
    30 seconds
    Q.

    Electronegativity means the energy required to remove an electron from the atom.

    answer choices

    True

    False

  • Question 14
    30 seconds
    Q.

    Chlorine is larger than Sodium because they have the same number of shells and Chlorine has more protons, neutrons, and electrons.

    answer choices

    True

    False

  • Question 15
    30 seconds
    Q.

    Potassium is larger than Calcium because they have the same number of shells but Calcium has one more proton and thus slightly more pull on its electrons than Potassium - causing it to be smaller.

    answer choices

    True

    False

  • Question 16
    30 seconds
    Q.

    Atomic radius DECREASES as you move from the LEFT to the RIGHT within a period of the periodic table.

    answer choices

    True

    False

  • Question 17
    30 seconds
    Q.

    Electronegativity DECREASES as you move from the LEFT to the RIGHT within a period of the periodic table.

    answer choices

    True

    False

  • Question 18
    30 seconds
    Q.

    Atomic radius INCREASES as you move from the TOP to the BOTTOM within a group of the periodic table

    answer choices

    True

    False

  • Question 19
    30 seconds
    Q.

    Fluorine is higher in electronegativity than Lithium because they have the same number of shells but Fluorine has more protons which allows it's nucleus to exert more pull on electrons in the environment.

    answer choices

    True

    False

  • Question 20
    30 seconds
    Q.

    Sodium is higher in ionization energy than Francium because it has less shells and thus it protons exert more pull on its outside electrons. This makes it harder for something to remove an electron from Sodium and thus more ionization energy is required.

    answer choices

    True

    False

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