The particle with a positive charge is
the particle with the smallest mass is
the particle with no charge is
writing one of the letters j, k,l in each box

I'll tell ya

Explanation:

Positive charge - proton

Negative charge - electron

No charge-neutron

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.