Class 9 ScienceMediumChemistrySubatomic ParticlesNeutron1.What is the mass of a neutron?A1 kgB9.1 × 10^-31 kgC1 amuD0 amuView AnswerCorrect Answer:C — 1 amuExplanation:A neutron has a mass approximately equal to 1 atomic mass unit (amu).