Atomic Structure – Online MCQs – Physics 10th

1. Consider isotope ₉₂Cl²³⁷ of uranium. The number of neutrons in it is:

2. Which one of them are physical properties?

3. In an atom, the nucleus when compared to the extra-nuclear part, is:

4. The number of protons and neutrons is collectively known as:

5. In magnitude, a proton has:

6. The smallest unit of matter is a:

7. The symbol denotes the proton number is:

8. It distinguishes one element from another.

9. Consider the species ₁₇Cl³⁵ and ₁₇Cl³⁷ These species have:

10. The neutral atoms of all of the isotopes of the same element have:

11. Which atomic particle has a positive charge?

12. Neutrons carry:

13. Isotopes of an element have:

14. The atomic number (Z) tells us:

15. Atomic mass of an element is equal to:

16. The mass of a neutron is:

17. The atomic number (Z) of nitrogen is:

18. The relative mass of an electron is:

19. The number of electrons in an atom will be:

20. If an element B has five protons and six neutrons, what will be the symbol of element B?