Acids & Bases Day 2
Transcript of Acids & Bases Day 2
You will Need:
1. Acids & Bases Part 1 – Page 3 of 4 Bookshelf- Staple to Pgs. 1 & 2(Picked up yesterday)
2. Pencil, Colored Pencils
1. Test # 4 on THURSDAY – ½ page of notes, front side only, done by hand
2. No Binder Check.3. Check your grades….complete
missing work – only 2 ½ weeks left in chemistry
ACID BASE
ION: A positively or negatively charged particle
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NEUTRAL 0-6.9 7.1-14
pH Scale:
Measures the # of H+ ions in a solution (Potential Hydrogen Ions)
1. Shade the center area of your data table with the appropriate color.
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?
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 ___________?
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?
1. Oral Presenter – 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
Visit the Visit the Explore the pH Factor 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/
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!”
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
Acid Base
Both
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Word Bank:
base, pH, salt, acid, neutral
pH
1. Test #4 ½ page of notes due on THURSDAY at the beginning of class – front side only/done by hand
2. Acids & Bases – Pgs. 1-4 should be complete by tomorrow…to be on schedule