Properties of Water

Front

What two elements make up water?

Back

Hydrogen and oxygen

Front

What word describes when water is attracted to other substances? Options: cohesion, adhesion, capillary action, surface tension

Back

adhesion

Front

Why can water have no net charge but have slight charges in different parts of the molecule?

Back

The oxygen end is slightly negative and the hydrogen end is slightly positive

Front

Attractions between water molecules are called

Back

Hydrogen bonds

Front

The attraction that causes water and other liquids to form drops on thin films is called ________________. This is also water’s ability to be attracted to other water molecules.

Back

cohesion

Front

Tendency of molecules of the same kind to stick to one another

Back

cohesion

Front

Molecule in which opposite ends have opposite electric charges

Back

polar molecule

Front

Why does ice float?

Back

As water freezes, it expands and its density decreases.

Front

A molecule with electrically charged areas is called a _______________.

Back

polar molecule

Front

Which end of the water molecule has a slightly positive charge? Options: the oxygen end, the hydrogen end, both ends are slightly positive, neither end is positive

Back

the hydrogen end