Which of the following statements is false? A. Two or more atoms combine chemically to form a molecule. B. Two or more different atoms combine chemically to form an element. C. Two or more different substances combine physically to form a mixture. D. Two or more elements combine chemically to form a compound.
Answer B is false. An element is a type of atom and you do not need to combine two atoms to get a specific element. Combining two atoms will leave you with a compound not an element.