Physician office __________ codes are submitted for reimbursement purposes.

Of the following metals, __________ exhibits multiple oxidation states.

E) ____ is/represents a positively charged species.

Of the following gases, __________ will have the greatest rate of effusion at a given temperature.

50.0 g of cl2 contains ________ mol cl2.

Air near earth's surface tends to be ________.

A sample of ch4o with a mass of 32.0 g contains __________ molecules of ch4o.

A sample of ch2f2 with a mass of 19 g contains ________ atoms of f.

A salt dissolved in water forms _____.

A reaction between an acid and a base is called a(n) ________________ reaction.

A phospholipid is a _____