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23 questions
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  • Q1

    A dispersion force exists in both polar and nonpolar molecules.

    true
    false
    True or False
    60s
  • Q2

    A gas with a high density or molar mass diffuses or effuses faster than a gas with lower density or molar mass.

    false
    true
    True or False
    60s
  • Q3

    A real gas is a gas that does not behave according to the assumptions of the kinetic-molecular theory.

    true
    false
    True or False
    60s
  • Q4

    Diamagnetic substances are those that contain net unpaired spins and are attracted by a magnet.

    false
    true
    True or False
    60s
  • Q5

    Electronegativity is a property of an atom to attract a pair of shared electrons.

    true
    false
    True or False
    60s
  • Q6

    NaCl is a covalentcompound.

    false
    true
    True or False
    60s
  • Q7

    The arrangement of atoms ina molecule is called geometry.

    true
    false
    True or False
    60s
  • Q8

    The average kinetic energy of the molecules is proportional to the absolute temperature.

    true
    false
    True or False
    60s
  • Q9

    The energy needed to remove anelectron from an atom in the gaseous state is called ionization energy.

    true
    false
    True or False
    60s
  • Q10

    The molecules average kineticenergy decreases when the temperature increases.

    false
    true
    True or False
    60s
  • Q11

    Chemical bonds are forces of attraction that hold atomstogether to form compounds. What type of bond is formed when nonmetals shareelectrons?

    ionic

    covalent

    metallic

    electrovalent

    60s
  • Q12

    In which sublevel do the electrons have the lowest energy?

    4d

    4f

    4p

    4s

    60s
  • Q13

    Magnesium has 2 electrons in its outer shell. How does magnesium attain a stable configuration?

    Mg atom accepts one electron.

    Mg atom accepts six electrons.

    Mg atom loses one electron.

    Mg atom loses two electrons.

    60s
  • Q14

    Which element are called alkaline earth metals and are located in the s-block?

    phosphorus, silicon, selenium

    neon, argon, krypton

    manganese, gold, iron

    calcium, magnesium, barium

    60s
  • Q15

    Which of the following is a diamagnetic?

    silicon

    sulfur     

    magnesium

    aluminum

    60s

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