Today in Chemistry

1
Today in Chemistry

• You will Need
• Pencil
• Acids and Bases Part 2 (Bookshelf- PLEASE DO NOT
  STAPLE
• Ocean Acid Test Cooperative Project from Friday
  Due Today
• Acids and Bases Part 1 (Picked up last week)
• Colored Pencils (as needed)
• Textbook open to Periodic Table

2
Review

1. The amount of particles in a substance is its?
2. In a chemical equation, the ________ are found on
   the left side.
3. Why do two different substances of the same
   volume have different densities?
4. What does the atomic number tell you about the
   atomic structure?
5. Which scientist is responsible for finding
   protons using the Gold Foil Experiment?
6. What are the two types of solids?

3
Review

1. Thomson called his model of the atom this.
2. Sulfur is part of this family on the P.T. and has
   a valence of ?
3. How many more bonds does Silicon need to complete
   its outer shell? Why?
4. How many shells does Aluminums Bohr model
   contain? What is its electron configuration?
5. What type of bond is CaCl? Why?
6. What type of bond is H2O2? Why?

4
Review

1. What does the Lewis Dot Diagram show?
2. What is the only thing you can change when
   balancing a chemical equation?
3. What type of ions are more present in a base?
4. What does the pH scale measure?
5. What colors are associated with acids?
6. What represents the strongest Base? Acid?

5
Materials Managers

• Pick up one big zip lock bag 1 roll of Paper
  Towels
• 2. Place one Paper Towel in the center of the
  table.
• 3. Place White Chem Plate in the middle of the
  PT.
• 4. Each Person needs 7 test strips
• 5. Each Person needs 6-three cm long pieces of
  tape.

6
Data Table
Actual
Solution Acid or Base pH Value pH Strip (Tape here)
Mouthwash
Milk of Magnesia
Apple Juice
4. Vinegar
Ammonia
6. 7UP
Predict
7
Priority List
1. Complete OCEAN ACID TEST Due Today 2. Work
on Acids and Bases Part 2 questions 13- 25
Review questions Circle one answer for
each 22 has two answers 25 (NH4)2SO4 24
C is listed twice 2nd one should be a D 3.
Work on Acids and Bases Part 1 questions
8
Homework
1. None Unless you owe me something