Name

Date

Class

CHAPTER 4 REVIEW

Arrangement of Electrons in Atoms MIXED REVIEW SHORT ANSWER

Answer the following questions in the space provided.

1. Under what conditions is a photon emitted from an atom?

2. What do quantum numbers describe?

3. What is the relationship between the principal quantum number and the electron configuration?

2p 2s 1s

4. In what way does the figure above illustrate Hund’s rule?

5. In what way does the figure above illustrate the Pauli exclusion principle?

MODERN CHEMISTRY Copyright © by Holt, Rinehart and Winston. All rights reserved.

ARRANGEMENT OF ELECTRONS IN ATOMS

31

Name

Date

Class

MIXED REVIEW continued

6. Elements of the fourth and higher main-energy levels do not seem to follow the normal sequence for filling orbitals. Why is this so?

7. How do electrons create the colors in a line-emission spectrum?

8. Write the ground-state electron configuration of the following atoms: a. Carbon

b. Potassium

c. Gallium

d. Copper

PROBLEMS provided. 9.

10.

32

Write the answer on the line to the left. Show all your work in the space What is the wavelength of light that has a frequency of 3  104 Hz in a vacuum?

What is the energy of a photon that has a frequency of 5.0  1014 Hz?

ARRANGEMENT OF ELECTRONS IN ATOMS

MODERN CHEMISTRY Copyright © by Holt, Rinehart and Winston. All rights reserved.

Arrangement of Electrons in Atoms - TeacherWeb

Arrangement of Electrons in Atoms. MIXED REVIEW. SHORT ANSWER Answer the following questions in the space provided. 1. Under what conditions is a ...

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