Acids & bases day 2
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Transcript of Acids & bases day 2
1. Acids & Bases Part 1 – Page 3 of 4 Bookshelf- Staple to Pgs. 1 & 2(Picked up yesterday)
2. 2 manilla folders- Bookshelf3. Pencil/Pen, Colored Pencils4. Please turn in your STAR Cards 61-
101 into the box5. Turn in PROGRESS NOTICE now
into TRAY
1. You are allowed 18 minutes to take this test.
2. Turn QUIZ into Tray when complete
3. Return Manilla folders to bookshelf
4. Materials Manager in charge of PowerPoint today
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)
1. Get out a piece of lined paper out.2. Label the paper with your table number
and then Number the Paper 1-183. As a group, answer the following
questions. (No complete sentences)
4. When done, bring paper to Mrs. M. and receive the answer key to correct.
5. As a group, choose one of the questions you missed and tell why on the back.
6. Turn answer key and your answers into Mrs. M.
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?
Bromothymol Blue in the presence of ACID, NEUTRAL and BASE
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. Materials Manager –open up hyperlink on Learning Point– 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
option on the class 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. , 9 & 10. Living things depend on a steady pH in their environment. (Pg 294)
• 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