Chapter 5 Review Questions

For any wave, frequency and wavelength are A. Directly proportional B. Independent of one another C. The same D. Inversely proportional

2. The lines in an emission spectrum of an atom are due to A. Nuclear transitions in atoms B. Movement of electrons from higher energy states to lower energy states C. Movement of electrons from lower energy states to higher energy states D. The presence of isotopes

3. Which photon of light has the greatest frequency? A. Yellow light B. Blue light C. Ultraviolet D. infrared

4. Which photon of light has the greatest energy? A. Yellow light B. Blue light C. Ultraviolet D. infrared

5. What is the speed of light? A. Varies by color B. 6.02 x 1023 m/s C. 3.00 x 108 m/s D. 6.63 x 10-34 Js

6. I listen to 95.1 fm. What is this number? A. The wavelength B. The amplitude C. The frequency D. The energy

7. What evidence do we have that Bohr’s calculations for the model of hydrogen are correct? A. The relationship between frequency and energy of light B. The explanation of the lines in the hydrogen spectrum C. The discovery of helium in our atmosphere D. The picture of the model in our reference packets

8. What is the total number of occupied energy levels in an atom of argon?

9. As an electron of hydrogen moves from the third principal level (n=3) to the ground state, the energy of the atom A. Decreases B. Increases C. Remains the same

10. Which electron configuration represents an atom in the excited state? A. 1s22s22p63p1 B. 1s22s22p63s23p1 C. 1s22s22p63s23p2 D. 1s22s22p63s2

11. Which atom in the ground state has two unpaired electrons in its outermost principal energy level? A. Be B. C C. N D. He

12. The maximum number of electrons that a single orbital of the 4p sublevel may contain is D. 6

13. Which element has a completely filled energy level? A. Argon B. Potassium C. Calcium D. Aluminum

14. Name the elements with the following configurations: A. 1s22s22p63s1 B. 1s22s22p63s23p64s23d6 C. 1s22s22p3 D. 1s22s22p63s23p64s23d104p6

15. Which of the following orbitals has the most energy? B. 3s C. 3p D. 4p

16. Which element has atoms with only two completely filled energy levels? A. oxygen B. beryllium C. helium D. magnesium

17. Which atom in the ground state contains a partially filled 4p orbital? A. krypton B. yttrium C. selenium D. sulfur

18. Which form of electromagnetic radiation has the lowest energy? A. Violet light B. Gamma rays C. Microwaves D. Red light

19. What is the maximum number of electrons in the second shell of an atom?

20. Which principal energy level contains only 2 sublevels? A. n=1 B. n=2 C. n=3 D. n=4