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
c. atomic #36
b. Au
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 ______
c. bromine ______
b. calcium ______
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.
__________________________