Physics Mass of neutron is________________? Options:A. 1.67 x 10-31 kgB. 1.67 x 10-27 kgC. 9.1 x 10-31 kgD. 1.67 x 10-19 kgView AnswerB. 1.67 x 10-27 kg Continue Reading Previous: SI unit of torque is______________?Next: Nuclei having the same mass number but different atomic number are____________?