Structure of Atom Quiz Online Practice Test

1. Who is credited with the discovery of the neutron?

2. What particles are found in the nucleus of an atom?

3. What is the approximate radius of an atomic nucleus?

4. Isotopes of a given element exhibit:

5. Which pair of elements listed below are examples of isobars, having the same mass number but different atomic numbers?

6. The atomic orbital refers to:

7. The Principal, Azimuthal, and Magnetic quantum numbers correspond to:

8. What is the correct electronic configuration for chromium (atomic number 24)?

9. According to the Aufbau principle, an electron will fill a new orbital when:

10. Which of the following quantum number sets is not allowed?

11. The atomic number (Z) represents:

12. Two atoms are classified as isobars if:

13. The mass number of an element is calculated by:

14. The atomic number of an element is equivalent to:

15. An alpha particle is commonly referred to as:

16. Which of the following statements about the electron is false?

17. What is the maximum number of electrons that can be found in the M shell?

18. Which scientist is credited with the discovery of the electron?

19. The nuclei ⁷N₁₅ and 8O16 are examples of:

20. Which of the following models differs from Thomson's Model of the Atom?