Mass is measured in grams: Mass of proton (or neutron) = 1.7 x 10 -24 grams Mass of electron = mass of proton/1800 Charge is a property of particles which determines their behavior when acted on by electromagnetic forces .
(Mass; is measured; in grams) (a property of particles; determines; their behavior; T:when acted on by electromagnetic forces)
Mass a property of particles
is measured determines
in grams
their behavior T:when acted on by electromagnetic forces