In the chemical formula, 2NH4Br, there are atoms of nitrogen (N), atoms of hydrogen (H), and atoms of bromine (Br). (the 4 is a subscript btw)

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Introduction of drugs into the gastrointestinal tract is a form of administration. a. enteral b. topical c. parenteral d. inhalation

Aphase change from a solid to a gas is called what