Please choose the correct answer to the question: A scientist needs to take a picture of the well-ordered arrangements of the atoms and molecules within a substance. Which of the following instruments would be best for the scientist to use?

Answer1: a laser light with holograph. Answer2: a seismograph. Answer3: an electron microscope. Answer4: a stereoscope.

Answer format: answer1/answer2/answer3/answer4
Answer: answer3