Review for Test #4 Light and Electron Configuration

Review for Test #3 Chh. 4 and 5 – The Atom, Light, and Electron Configuration

1.  Know rules for electron configuration

a.  Hund’s rule , Aufbau order, Pauli exclusion principle and Heisenberg Principle

2.  Trends, Electronegativity, Ionization Energy, Electron Affinity and Atomic Radius

3.  DeBroglie’s wave particle duality theory.

4.  Successive Ionization Energies

5.  What are the three types of subatomic particles? What are their charges and where are they located in the atom?

6.  How many protons, neutrons, and electrons in the following neutral atoms?

a. Aluminum P = _____ N = _____ E = _____
b. Argon P = _____ N = _____ E = _____
c. Helium P = _____ N = _____ E = _____
d. Chromium P = _____ N = _____ E = _____
e. Selenium P = _____ N = _____ E = _____

7.  State the number of protons, neutrons, and electrons. Then draw a Bohr model for the following:

a. Fluorine P = _____ N = _____ E = _____
b. Sodium P = _____ N = _____ E = _____
c. Sulfur P = _____ N = _____ E = _____

8.  What rule explains why nitrogen’s last three electrons are all “spin-up” (spin in the same direction)?

9.  What rule explains why we fill the 4s sublevel before the 3d sublevel?

10. What is the Heisenberg uncertainty principle?

11. Write the electron configuration notation for :

a.  S

b.  Au

c.  atomic #36

d.  Ca2+

12. How many electrons are in the second energy level of the following elements?

a.  oxygen ______

b.  aluminum ____

c.  lithium ______

13. What is the maximum number of electrons that can go into each sublevel?

a.  2p_____ b. 4f _____c. 7p

14. Indicate (yes or no) if these orbitals could possibly exist: a. 2f_____

b. 3d____ c. 3s___ d. 3f___

15. How many unpaired electrons are in the following atoms?

a.  phosphorus ______

b.  calcium ______

c.  bromine ______

d.  aluminum ______

16. Draw a Bohr model for silicon.

17. Draw a Bohr model for Al+3.

18. Give three characteristics and location on periodic table

a.  metals, ______

b.  nonmetals ______

c.  metalloids. ______

19. Describe

a.  periods ______

b.  groups. ______

20. Tell what group each element belongs to from the periodic table:

a. Beryllium _____b. Bromine _____ c. Krypton_____ d. Cesium_____
e. Europium _____ f. Iodine_____ g. Molybdenum_____ h. Curium____

21. What element is a halogen in the second period? _____

22. What element is an alkali metal in the fifth period? _____

23. Describe the 4 different quantum numbers.

1st ______2nd ______

3rd ______4th ______

24. Three different types of notations. Do one each for an ion of Sulfur

a.  electron configuration you start with 1s, 2s, etc. ______

b.  orbital diagrams you should use the arrows. ______

c.  noble gas notation you should start with the noble gas in brackets. ______