Given a scientific question, generate an incorrect answer to the given question. The incorrect answer should be a plausible alternative to the correct answer. The answer should be some other item belonging to the same category as the correct answer but should be incorrect.

What basic units are neither created nor destroyed during a chemical change, but are instead rearranged?
particles

What is the ratio of a wave frequency to its vibration frequency?
one

What do you call elements that contain only atoms of one type of element?

typical elements

