The mass spectrometer can be used to measure mass of? by Sunday | May 9 | Chemistry WAEC | 0 comments A. an atom B. an electron C. a proton D. a neutron Correct Answer: Option A A. an atom Users Also Read These:Which of the following apparatus can be used to…Which of the following instruments can be used to…Which of the following can be used to measure the…The last measure used by the pressure groups issuing…Which of the following apparatuses can be used to…