Which of the Following Statements Concerning Differences Between Ionic and Molecular

Multiple Choice

Which of the following statements concerning differences between ionic and molecular compounds is correct?

A) Molecular compounds contain two elements, and ionic compounds contain three or more elements.
B) Ionic compounds contain oxygen, and molecular compounds do not.
C) Molecular compounds possess a molecular structural unit, and ionic compounds do not.
D) More than one correct response.
E) No correct response.