Chemistry Mcqs

Which one is true about isotope ?
  • (A)  Same number of neutrons
  • (B)  Same mass number
  • (C)  Same physical properties
  • (D)  Same chemical properties
1 a.m.u =__________________?
  • (A)  1.6 x 10-27 kg
  • (B)  1.6 x 10-24 kg
  • (C)  1.6 x 10-26 kg
  • (D)  1.6 x 10-28 kg