Atomic Structure – Online MCQs – Physics 10th

1. Many essential properties of an isotope depend on its:

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

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

4. The relative mass of an electron is:

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

6. If Z = 6, the atom will be of:

7. The atomic number (Z) tells us:

8. The symbol denotes the proton number is:

9. Isotopes are two or more species of atoms of an element with:

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

11. A nucleus is represented symbolically by:

12. The number of neutron(s) in Protium is:

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

14. It gives an isotope different physical properties.

15. Neutrons carry:

16. Which atomic particle has a positive charge?

17. In magnitude, a proton has:

18. Atomic mass (A) of deuterium is:

19. The smallest unit of matter is a:

20. Isotopes of an element have: