Review Sheet Atoms and the Period Table

Review Sheet – Atoms and the Period Table

Element Atomic Number # of Neutrons # of Energy Oxidation # Levels Magnesium Carbon Xenon Rubidium Aluminum Sulfur

1. Find the average atomic mass of Lithium: Li-6 7.42% Li-7 92.58%

2. Draw a Lewis Dot Diagram of the following atoms.

Cl Pb Ba

3. Draw a Bohr Model of the following atoms.

S Al Na

4. Give the oxidation numbers for the following ions:

P O Ar

Al Sn Be 5. Compare and contrast the characteristics of metals and nonmetals

Metals Nonmetals

6. Compare and contrast the characteristics of ionic bonds and covalent bonds.

Ionic Bonds Covalent Bonds

7. List the number of facts you know about electrons. 8. What is Dalton’s Atomic Theory?

9. Draw the Bohr Model of the following Ionic Compounds. Also draw the Lewis Dot Diagram.

MgS Li3P

10. Draw the Bohr Model and the Lewis Dot Diagram of the following Covalent Compounds. Tell which one is polar and which one is nonpolar and why.

N2 H2S 11. Write the Aufbau Orbital Diagram and the electron configuration for:

Oxygen

Barium