<p> Review Sheet – Atoms and the Period Table</p><p>Element Atomic Number # of Neutrons # of Energy Oxidation # Levels Magnesium Carbon Xenon Rubidium Aluminum Sulfur</p><p>1. Find the average atomic mass of Lithium: Li-6 7.42% Li-7 92.58%</p><p>2. Draw a Lewis Dot Diagram of the following atoms. </p><p>Cl Pb Ba</p><p>3. Draw a Bohr Model of the following atoms.</p><p>S Al Na</p><p>4. Give the oxidation numbers for the following ions:</p><p>P O Ar</p><p>Al Sn Be 5. Compare and contrast the characteristics of metals and nonmetals</p><p>Metals Nonmetals</p><p>6. Compare and contrast the characteristics of ionic bonds and covalent bonds.</p><p>Ionic Bonds Covalent Bonds</p><p>7. List the number of facts you know about electrons. 8. What is Dalton’s Atomic Theory?</p><p>9. Draw the Bohr Model of the following Ionic Compounds. Also draw the Lewis Dot Diagram.</p><p>MgS Li3P</p><p>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.</p><p>N2 H2S 11. Write the Aufbau Orbital Diagram and the electron configuration for:</p><p>Iron</p><p>Argon</p><p>Oxygen</p><p>Lead</p><p>Barium</p>