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You will Need: 1. Acids & Bases Part 1 – Pages 1-4 2. Pencil, Colored Pencils 3. Balancing Equations #2 – Did you do your R&R on the back page – Was due yesterday

Acids & Bases Day 3

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Page 1: Acids & Bases   Day 3

You will Need:1. Acids & Bases Part 1 – Pages

1-42. Pencil, Colored Pencils3. Balancing Equations #2 – Did you

do your R&R on the back page – Was due yesterday

Page 2: Acids & Bases   Day 3

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 3

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

Page 4: Acids & Bases   Day 3

1. Which ION is the pH scale measuring?2. What is the number that represents the

strongest base on the pH scale?3. In an alkaline solution, what type of

IONS are present?4. What colors are associated with acids?5. What number on the pH scale indicates

the strongest acid?6. What type of substance has very few

hydronium ions?

Page 5: Acids & Bases   Day 3

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

8. What colors are associated with bases?

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

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

11. If a substance registers a 4 on the pH scale, is it neutral, acid or base?

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

Page 6: Acids & Bases   Day 3

13. Protium, Dueterium and Tritium are all isotopes of Hydrogen, Why?

14. What kind of bond does HCl form?

15. Hydrogen Peroxide (H2O2) forms what kind of bond? How do you know?

Page 7: Acids & Bases   Day 3

13. Protium, Dueterium and Tritium are all isotopes of Hydrogen, Why?

14. What kind of bond does HCl form?

15. Hydrogen Peroxide (H2O2) forms what kind of bond? How do you know?

16. The repeating pattern of NaCl form a crystal ____________?

17. What is the most common isotope for Silicon?

+ + + + +

+ + + +

- - - -

- - - - -

Page 8: Acids & Bases   Day 3

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 9: Acids & Bases   Day 3

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 10: Acids & Bases   Day 3

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 11: Acids & Bases   Day 3

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 12: Acids & Bases   Day 3

Acid Base

Both

Page 13: Acids & Bases   Day 3

Word Bank:

base, pH, salt, acid, neutral

pH

Page 14: Acids & Bases   Day 3

1. Binder Check #3 Due Tomorrowat the beginning of class

2. STUDY for your Test #3– Target Concepts on-line – ½ sheet of notes, front side only, done by hand