2.2 Vocabulary

Front

weak attraction between slightly positive hydrogen atom and another atom that is slightly negative

Back

hydrogen bond

Front

attraction between molecules of the same substance

Back

cohesion

Front

Force of attraction between different types of molecules

Back

adhesion

Front

A compound that prevents sharp, sudden changes in pH is a(n)

Back

buffer

Front

The curvature of the water in a test tube - referred to as the meniscus is due to

Back

adhesion

Front

A bug's ability to walk on water is due to:

Back

cohesion

Front

Capillary action - the movement upward in a small tube is due to

Back

cohesion and adhesion

Front

Type of mixture in which all the components are evenly distributed.

Back

solution

Front

Material composed of two or more elements or compounds that are physically mixed together but not chemically combined.

Back

mixture

Front

A substance with a pH less than 7 is a(n)

Back

acid