The valence of aluminum is +3, and the valence of chlorine is –1. the formula for aluminum chloride is correctly written as
a. al3cl.
b. alcl3.
c. clal3.
d. cl3al.

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.