Which of the following statements is true about intermolecular ...

[Themember4]

Which of the following statements is true about intermolecular forces of attraction between molecules?
 
  A) They tend to hold molecules together.
  B) Cooling is responsible for the substance's liquefaction.
  C) The solidification of a substance usually requires lower temperatures than in the case of liquefaction.
  D) All of the above are true.

Question 2

With respect to chemical bonding, which particles play the most active role?
 
  A) protons
  B) neutrons
  C) valence electrons
  D) core electrons

[Tonyam972]

Answer to Question 1

D

Answer to Question 2

C

[Themember4]

Thank you!

[Tonyam972]

Always glad to help...