How many atoms of F are in the following formula: 3BaF2

1) 6
2) 3
3) 2
4) 5

There are 6 atoms

Explanation:

2 from the subscript and multiply it by 3 cause of the coefficient.

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.