Match the values of Column A and Column B and mark the correct option.
| Column A | Column B |
| 1. Mass of electron | A. ∼10-10 m |
| 2. Size of an atom | B. 1.673×10-27 kg |
|
3. Mass of proton |
C. 9.1×10-31kg |
| 4. Size of nucleus | D. ∼10-15 m |
Answer & explanation
Correct answer: option 2
The mass of electron is 9.1×10-31 kg, mass of proton is 1.673×10-27 kg, Size of nucleus is ∼10-15 m and size of ∼10-10 m atom.