What is the correct answer to this question?
A. Is it this one?
B. Maybe this answer?
C. Possibly this one?
D. Must be this one!
ANSWER: D

Which one of the following is the property of an ionic compound?
A) High melting and boiling points
B) Low melting and boiling points
C) Weak inter-atomic forces
D) Non conductors of electricity
ANSWER: A