15 EASY GK QUESTIONS ON ATOMIC STRUCTURE AND RADIOACTIVITY
1. Who had discovered the atomic theory of matter ?
Ans- Dalton
2. What are the basic components of an atom ?
Ans-Protons, neutrons and electrons
3. Electron was discovered by-
Ans- Jj Thomson
4. Mass of electron is
Ans- 0.00054u
5. Total energy f an electron inside an atom is-
Ans-Zero
6. Proton was discovered by-
Ans- Ernest Rutherford
7. Mass of proton is-
Ans-1.00727u
8. How much times is a proton is heavier than electron ?
Ans-1836 times
9. Neutron was discovered by-
Ans- James Chadwick
10. Mass of neutron is-
Ans- 1.00867u
11. Cathode rays were discovered by-
Ans- Jj Thomson
12. Anode rays were discovered by-
Ans- Goldstein
13. Positive ions are formed from neutral atoms by the loss of-
Ans- Nuclear charge
14. The nucleus of most of the substances are consists of
Ans- Proton and Neutron
15. The strongest force in the nature is-
Ans- nuclear force
