Complete the table by classifying each property as either a physical or chemical property

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent