10 chemistry multiple choice

QUESTION 1

  1. The molecule CO2 is polar.   Imported Asset  

2 points  

QUESTION 2

  1. The molecule SCl6 is polar.

    A central atom bonded to six atoms in a 3-D shape.

    TRUE

    FALSE

2 points  

QUESTION 3

  1. Which of the following molecules or ions is polar?

      Imported Asset  

      Imported Asset  

3 points  

QUESTION 4

  1. Which of the following molecules is nonpolar?

      Imported Asset  

      Imported Asset  

      Imported Asset  

      Imported Asset  

3 points  

QUESTION 5

  1. London dispersion forces are relatively weak forces created when the electron clouds of two neighboring atoms or nonpolar molecules come near one another.

2 points  

QUESTION 6

  1. Which of the following types of intermolecular forces is caused by an unequal distribution of electrons induced temporarily in a nonpolar molecule?

3 points  

QUESTION 7

  1. Compared to compounds that possess only dipole-dipole intermolecular forces, compounds that possess hydrogen bonding generally:

3 points  

QUESTION 8

  1. The reason H
    2S exists as a gas while H
    2O exists as a liquid at room temperature is because:

3 points  

QUESTION 9

  1. Water, H
    2O, has a higher boiling point than methane, CH
    4.

2 points  

QUESTION 10

  1. The molecule I
    2 has a lower melting point than Cl
    2.

2 points  

 
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