acids & bases day 2b

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You will Need: 1. Acids & Bases Part 1 – Page 2 of 3 Bookshelf 2. Pencil, Colored Pencils 3. Balancing Equations #2 – Did you do your R&R on the back page - Due anytime Today

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Page 1: Acids & Bases   Day 2b

You will Need:1. Acids & Bases Part 1 – Page 2

of 3 Bookshelf2. Pencil, Colored Pencils3. Balancing Equations #2 – Did you

do your R&R on the back page - Due anytime Today

Page 2: Acids & Bases   Day 2b

ACID BASE

ION: A positively or negatively charged particle

7

NEUTRAL 0-6.9 7.1-14

pH Scale:

Measures the # of H+ ions in a solution (Potential Hydrogen Ions)

Page 3: Acids & Bases   Day 2b

1. Shade the center area of your data table with the appropriate color.

Page 4: Acids & Bases   Day 2b

1. What is an ION?2. What does pH stand for?3. In an acidic solution, what type of

IONS are present?4. What colors are associated with

bases?5. What number on the pH scale

indicates a neutral substance?6. What type of substance has very

few hydroxide ions?

Page 5: Acids & Bases   Day 2b

7. What is the number range for bases on the pH scale?

8. What colors are associated with acids?

9. What type of substance (acid or base) is bitter?

10. What type of substance (acid or base) turns bromothymol blue, yellow?

11. If a substance registers a 9 on the pH scale, is it neutral, acid or base?

12. A reading less than 7 indicates your solution is ___________?

Page 6: Acids & Bases   Day 2b

13. An isotope of Boron is Boron 12. What is different between Boron 11 and Boron 12?

14. What does Alkaline mean?15. Potassium Chloride forms what

kind of bond? How do you know?16. Why is CO2 a covalent bond?17. What is the most common isotope

for Aluminum?18. How many neutrons does Argon

have?

Page 7: Acids & Bases   Day 2b

1. Timer Designers – Log – on to Learning Point and open up – ACID and BASE Virtual Lab

2. Turn to #6 Interactive Computer Activity

Bromothymol Blue in the presence of ACID, NEUTRAL and BASE

Page 8: Acids & Bases   Day 2b

Visit the Visit the Explore the pH Factor option on the class option on the class

website:website:

1.One of the pH paper colors is wrong.

2.Which one?

3.Why?

4.Highlight the wrong row with a colored pencil.

http://www.miamisci.org/ph/

Page 9: Acids & Bases   Day 2b

7. , 8. & 9. Living things depend on a steady pH in their environment. (Pg 294)

• Hyperlink: “pH for trees” – Find the WHITE PINE

• Hyperlink: “Lettuce”

• Hyperlink: “What is Acid Rain?”

• Hyperlink: “ Acid Rain on My Car!”

Page 10: Acids & Bases   Day 2b

Pg. 3 of Lab Sheets

1. Answer Questions 1-5

Venn Diagram

1. Minimum of 3 bullets for each section….do not need to be in complete sentences.

Graphic Organizer

1. Use word bank – First word is pH

Page 11: Acids & Bases   Day 2b

Acid Base

Both

Page 12: Acids & Bases   Day 2b

Word Bank:

base, pH, salt, acid, neutral

pH

Page 13: Acids & Bases   Day 2b

1. Balancing Equations #2 – Due Today

2. Binder Check #3 Due Friday at the beginning of class

3. STUDY for your Final – Target Concepts on-line