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 can be used to measure the…Which of the following types of thermometers can be…Explain what is meant by echo and discuss how it can…The following glasswares are used to measure the…Which of the following instruments can be used to…