Isotopes Multiple Choice Questions (MCQ) PDF Download

MCQ 1: Water that contains H-2 atoms is called

1. heavy water
2. light water
3. pure water
4. chlorinated water

MCQ 2: When Uranium-238 emits α particles it decays in to

1. Helium
2. Carbon
3. Thorium-234
4. Uranium-235

MCQ 3: Chlorine-35 exists in nature about

1. 0.35
2. 0.4
3. 0.5
4. 0.75

MCQ 4: Protium has

1. one neutron
2. two neutrons
3. no neutron
4. 3 neutrons

MCQ 5: Atoms having same atomic number but different atomic mass are called

1. derivatives
2. isotopes
3. elements
4. isomers