1. 3 atoms are required to form a molecule
2.structure in which a hydrogen atom is in a line between the oxygen atom on its own molecule and the oxygen on another molecule
3.When a pocket of air becomes full of water vapor, clouds form droplets those flat bottoms are where vapor begins to condense into water droplets.
4.because it is capable of dissolving more substances than any other liquid. This is important to every living thing on earth.
5.Salt (sodium chloride) is made from positive sodium ions bonded to negative chloride ions. Water can dissolve salt because the positive part of water molecules attracts the negative chloride ions and the negative part of water molecules attracts the positive sodium ions.