fill in the blank

1.attraction among molecules of the same type is called _______

2.attraction among molecules of different types is called _______

3.the _______ scale measures the concentration of H+ ions.

4.a high concentration of H+ ions makes something a(n)________
and a low concentration of H+ ions makes something a (n)_______

5. _______give water special properties such as cohesion

hydrogen bond , cohesion , adhesion , acid , base , pH