The mass spectrometer can be used to measure mass of? By: Sunday|Published on: May 9|Categories: 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:A uniform bar AB is balanced on a knife-edge which…A rope is being used to pull a mass of 10kg…Chlorine consisting of two isotopes of mass number…The mass of 800cm³ of a gas X at s.t.p. is 1.0g.…On top of a spiral spring of the force constant…SEE ALSO The compound of copper which is used in electroplating dyeing, printing, wood preservation and as a fungicide is?