TASK DEFINITION: Given a scientific question, generate a correct answer to it.
PROBLEM: What are the ice crystals that form on the ground called?

SOLUTION: frost

PROBLEM: What do halogens require electrons to achieve?

SOLUTION: octet

PROBLEM: Liquefaction ccurs when the molecules of a gas are cooled to the point where they no longer possess sufficient kinetic energy to overcome what?

SOLUTION:
intermolecular attractive forces