© 2011 Pearson Education, Inc. Monday September 17, 2012 Paste the following items on the corresponding pages Chemical and physical properties one-pager will be pasted on page 81 (pre-label the page). Turn this in if you have not done so already Quiz 08 on page 83 Periodic table coloring directions on page 84 Colored periodic table on page 85 Have this ready to be checked by the teacher 4 Really know 3 Know 2 Know most 1 Know sort of 0 Don’t know

© 2011 Pearson Education, Inc. Monday September 17, 2012 Page 86 Warm up: Part A: Where is sodium on the periodic table and what is its symbol? Part B: What happens when you mix sodium with water? Sodium and water video link Part C: Where is potassium on the periodic table and what is its symbol? Part D: What happens when you mix potassium with water? Potassium and water video link Part E: Sodium is in salt and potassium is in bananas, why do salt and bananas not explode with mixed with water? 4 Really know 3 Know 2 Know most 1 Know sort of 0 Don’t know

© 2011 Pearson Education, Inc. Students will be able to: Predict the location of an element on the periodic table based on its mass. Students will understand: How the atomic number of an element predicts its location on the periodic table. Student’s self-evaluation: (Complete at home or in class.) Homework: Complete quiz corrections Monday September 17, 2012 Page 86 4 Really know 3 Know 2 Know most 1 Know sort of 0 Don’t know

© 2011 Pearson Education, Inc. Figure 1: General organization of the periodic table. Monday September 17, 2012 Page 87 4 Really know 3 Know 2 Know most 1 Know sort of 0 Don’t know Divide the table into columns lines highLength is from one margin to the other Do not draw this part Small mass LARGE MASS small mass LARGE MASS Each column is a “group” Each row is a “period”

© 2011 Pearson Education, Inc. Reading the periodic table: Monday September 17, 2012 Page 87 4 Really know 3 Know 2 Know most 1 Know sort of 0 Don’t know The letter is the element’s symbol The atomic number is above the element. The mass of the element is at the bottom P: 11 N: 12

© 2011 Pearson Education, Inc. Reading the periodic table: Monday September 17, 2012 Page 87 4 Really know 3 Know 2 Know most 1 Know sort of 0 Don’t know The letter is the element’s symbol The atomic number is above the element. The mass of the element is at the bottom P: 11 N: P = Protons. Positive charged particles N = Neutrons. Neutral particles = Electrons. Negative charged particles. Question: How does the atomic number compare to the number of protons and neutron? Question: How does the mass relate to the number of protons and neutrons?

© 2011 Pearson Education, Inc. Practice problems: copy and complete the table 1 Monday September 17, 2012 Page 88 4 Really know 3 Know 2 Know most 1 Know sort of 0 Don’t know SymbolNameAtomic Number Number of protons Number of electrons Metal or nonmetal Atomic Mass CoCobalt27 Metal58.93 Cl Ar Ca Hydrogen Gold Table 1: elements on the periodic table