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Ionic and Covalent Bonds

Quiz by Pam Schmitt

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20 questions
Show answers
  • Q1

    The maximum number of electrons in the second energy level

    10

    2

    4

    8

    30s
  • Q2

    How many electrons are needed in the outer energy levels of most atoms for the atom to be chemically stable

    2

    8

    4

    6

    30s
  • Q3

    Why do noble gases NOT form compounds readily

    They have 7 electrons in the outer energy levels

    Their outer energy levels have 8 valence electrons

    They have empty outer energy levels

    They have no electrons

    30s
  • Q4

    One property of an ionic bond is 

    not dissolving in water

    low melting points

    the formation of solid crystals

    the formation of a shiny surface

    30s
  • Q5

    Atoms that gain electrons become ions with a _______ charge

    equal

    positive

    negative

    like

    30s
  • Q6

    Which of the following compounds is NOT likely to have ionic bonds

    NaCL

    LiF

    CH4

    MgF2

    30s
  • Q7

    Dot diagrams are used to represent

    the structure of the nucleus

    atomic mass

    outer electrons

    protons

    30s
  • Q8

    Sodium is an atom represented as Na+.  What does the "+" represent?

    One positive sign is listed because it only takes one electron to make the atom neutral

    Sodium has a tendency to lose a valence electron when it becomes an ion

    the plus sign mean it can combine with almost every element found on the periodic table

    Sodium has a tendency to gain a valence electron when it becomes an ion

    30s
  • Q9

    Most of the mass of an atom is found in its ___________

    electron cloud

    nucleus

    mass number

    atomic number

    30s
  • Q10

    What is the name given to the units that make up covalently bonded compounds?

    ions

    energy levels

    electrons

    molecules

    30s
  • Q11

    Which of the following is a compound?

    oxygen

    water

    neon

    gold

    30s
  • Q12

    A chemical bond that occurs when atoms share electrons is a(n) _____________ bond

    covalent

    ionic

    polyatomic

    magnetic

    30s
  • Q13

    Why is water a covalent bond?

    Water is two nonmetal atoms which share electrons forming a molecule

    the electrons from the hydrogen and oxygen in water are shared in a pool

    Hydrogen and oxygen gain and lose electrons when forming the molecule water

    Water forms solid crystals over a given amount of time

    30s
  • Q14

    Which type of bond is salt?

    covalent

    ionic

    valence

    metallic

    30s
  • Q15

    Which of the following bonds is polar?

    F-F

    O-O

    O-H

    H-H

    30s

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