do now: backpacks away, use whisper voice to work on catalyst: 1.complete the following reaction and...
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DO NOW: Backpacks away, use whisper voice to work on catalyst:
1.Complete the following reaction and balance
__CH4 (g) + __O2 (g) _____ + _____
TABLE OF CONTENTS:
Unit 2: Chemical Bonding, Intermolecular Forces, Chemical Equations
Pg Left Right27 Graphic Organizer Notes: Intermolecular Forces
28 Questions 1-13 To React or Not to React
29 Balancing Practice Notes: Balancing and Reaction Types
30 Practice Notes: Nomenclature
Homework:
Honors:Have TriFold or Poster or Presentation set for Monday
Gchem:①Work on Review Project ②Study for finals
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NomenclatureLast Powerpoint for the Semester!
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Question 1
What is the name of the force that holds two atoms together?
Chemical Bond
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Question 2 The chemical bond that holds two or more nonmetals together is called what?
Covalent Bond
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Forming Chemical Bonds
• The force that holds two atoms together is called a chemical bond.
• There are three types of bonds:• Ionic bonds (Metal/Nonmetal)• Covalent bonds(Nonmetal/Nonmetal)• Metallic bonds(Metal/Metal)
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The Formation and Nature of Ionic Bonds• Cations are atoms with a positive charge.• Anions are atoms with a negative charge.• The electrostatic force holds ions of opposite
charge together, forming an ionic bond.
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Question 3 • Fill in the missing blanks using vocabulary words.
Ionically bonded substances include metals and _________. They are held by _______________ forces. They form salts but also form crystal ___________ structures. When dissolved in water, they form an aqueous solution or mixture that conducts ________________.
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Fill in the Graphic Organizer
Covalent Ionic Metallic
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Now fill in what is missing, put stars next to them so you know that’s what you need to remember
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Ionic BondsCharacteristics of ionic bonds:
Formed between metals and nonmetalsHigh melting point and boiling point.Able to conduct electricity when dissolved in water.Unable to conduct electricity in the solid phase.The strength of the bond depends on the charges, and
distance between ionsIonic bonds form a lattice structure
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Covalent Bonds• Characteristics of covalent bonds:• Formed between nonmetal pairs• Electrons are shared between atoms• Lower melting points, Lower Boiling Points• Do not conduct electricity• Brittle solids
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Metallic• Properties of metallic bonds:• Delocalized electrons• High electrical conductivity• High luster (shiny)• Remember that transitional metals have a varying
number of valence electrons.
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Predict if the following bonds are ionic or covalent:
a) C-Nb) N-Oc) Na-Fd) Mg-Se) C-Hf) Ca-F
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Predict if the following bonds are ionic or covalent:
a) C-N - Covalent b) N-O - Covalentc) Na-F -- Ionic d) Mg-S - Ionice) C-H - Covalent f) Ca-F - Ionic
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What is an alloy?• An alloy is a mixture of two or more metals.
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Names and Formulas for Ionic Compounds• The simplest ratio of the ions represented in an
ionic compound is called a formula unit.
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The oxidation number of an ion can be determined with the aid of the periodic table.
+1
+2 -1-2-3+4+3
0For transitional metals below, charges vary so when naming ionic compounds with these elements, put the charge in parenthesis after the metal.
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Example
Copper can have a +2 or +3 charge so to know which it is you put parenthesis next to the transitional metal.
Cu (II) means copper with a positive 2 charge Cu2+
Cu (III) means copper with a positive 3 charge Cu3+
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Honors: Think- Pair-Share•Why do some elements have a positive oxidation number and some other elements have a negative oxidation number?
Hint #1: Electronegativity Hint #2: Periodic Table
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Predict the oxidation number of the following elements:a) Alb) Mgc) Sid) Oe) Cl
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Predict the oxidation number of the following elements:a) Al +3b) Mg +2c) Si +4d) O -2e) Cl -1
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Nomenclature for Ionic Formula Units
There are over 50 million substances!
We CANNOT have unique names for all these substances, that would be too much!
That is why we have naming rules.
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Nomenclature• Steps for writing ionic formulas:
1. Determine the symbol and oxidation number of the elements
2. If the charges are not the same, subscripts must be added to achieve equal number of positive and negative ions.
3. Criss-cross, ignore charge, write formula4. Metals always first, then nonmetal 5. NO prefixes needed. 6. Ionic formulas end in -ide
Show on Dry Erase:1. Example 1: calcium chloride2. Example 2: Potassium oxide
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ExamplesWrite the formula of the following ionic compounds:• Magnesium chloride• Aluminum oxide• Iron (III) chloride• Chromium (III) oxide
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You try first, then confirm with partners. Write the formula of the following ionic compounds:
a) Cesium nitrideb) Barium sulfidec) Calcium oxided) Aluminum fluoridee) Sodium oxide
What if the charges are the same, then just ignore charges, and write the formula, no need for criss- crossing!
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For HW, you will be asked to on Page 30L:
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Phase 3 Get into your groups Finish Trifold or Poster or Presentation Your poster shouldn’t be wordy, should be
something to refer to while you and your group members present.
Symposium Presentation is MONDAY!
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TABLE OF CONTENTS:Unit 2: Chemical Bonding, Intermolecular Forces, Chemical Equations
Pg Left Right29 Balancing Practice Notes: Balancing and Reaction Types
30 Practice #1-10 Notes: Nomenclature
31 More Pratice Notes: Nomenclature Part 2
Homework:
Honors:Using 3 brochures of your choice, finish up the 2 counterargument paragraphs due Sunday.
Gchem:①Work on Review Project ②Study for finals
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An effective presentation includes As FEW of words as possible Pictures because they says a thousand words
You can put notes below the PowerPoint and you can refrence these during the presentation or use flashcards during a presentation to quickly reference to.
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Overall Task Hook your audience You are PURSUADING us that your source is the best. You are trying to sell this source to your peers
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Effective Speakers
1. Confident Voice2. Look at all individuals in the audience3. Dont read off their notes/PowerPoint4. Lots of practice before a speech
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Confident Voice• Be confident of yourself• You are the expert!• We are all on the same team. • Some may want to outline what they are going to say in order to
help them practice
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Practice• No one does great at anything on the first try• You need to practice what you are going to say so
that you are prepared; this is why you are presenting multiple times versus traditional front of the class presentations
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Criteria for Success1. Run through your presentation at least once with your group (20
min) 2. First 4 groups will set up their stations. The next four 4 groups
will complete the Presentation Feedback GoogleDoc Form for each group. You can find this on the homepage on this website: mrnarez2014.wordpress.com
3. 7 minutes per station, rotate sound of the bell. 4. Swap between presenters and audience, repeat.
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TABLE OF CONTENTS:Unit 2: Chemical Bonding, Intermolecular Forces, Chemical Equations
Pg Left Right29 Balancing Practice Notes: Balancing and Reaction Types
30 Practice #1-10 Notes: Nomenclature
31 More Pratice Notes: Nomenclature Part 2
Homework:
Honors:Using 3 brochures of your choice, finish up the 2 counterargument paragraphs due Sunday.
Gchem:①Work on Review Project ②Study for finals
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Tuesday Agenda IWBAT correctly balance equations for Part 2 and Part 3
halfsheets. IWBAT to signficantly progress on my review project.
Complete Part 2 (back side) of balancing equations part 2 on page 29L.
Using the halfsheet you picked up, paste part 3 at the bottom of page 29L behind the halfsheet you already pasted!
Make sure you understood your mistakes to Page 30L (HW) After that is done, you may start your project.
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Honors P1,3,5: Wednesday NO catalyst today Using at least 3 brochures, you will complete 2 counterargument
paragraphs. Hint: Use the pros and cons for each of those brochures. You have all of today to complete one, and all of your 4 day weekend
to complete the last one. This is due by Sunday night.
Regular Chem P4, P6: Wednesday NO catalyst today Make sure 29L (Part 1-3 are complete) Make sure you understood writing ionic formula units on Pg 30L You should be halfway through your review project. Period 6 please put up chairs. Sub: Please make sure Ipad cart is locked.
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DO NOW: Backpacks away, use whisper voice to work on catalyst:
1.Write the ionic formula unit for silver (I) fluoride. 2. What is the name of the following ionic formula unit: CaCl2. 3. What was one highlight of your 4 day weekend besides eating turkey?
TABLE OF CONTENTS:Unit 2: Chemical Bonding, Intermolecular Forces, Chemical Equations
Pg Left Right29 Balancing Practice Notes: Balancing and Reaction Types
30 Practice #1-10 Notes: Nomenclature
31 More Practice Notes: Nomenclature Part 2
Homework:
Honors:Project and printed on Wednesday, December 10.
Regular Chem: Project due Dec 9 (Tuesday)
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DO NOW: Backpacks away, use whisper voice to work on catalyst:
1.Paste homework on 31L. If you haven’t already done so, paste notes on pg 31R
TABLE OF CONTENTS:Unit 2: Chemical Bonding, Intermolecular Forces, Chemical Equations
Pg Left Right29 Balancing Practice Notes: Balancing and Reaction Types
30 Practice #1-10 Notes: Nomenclature
31 More Practice Notes: Nomenclature Part 2
Homework:
Honors:Project and printed on Wednesday, December 10.
Regular Chem: Project due Dec 9 (Tuesday)
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HONORS AGENDA Lecture: Naming Ionic Formulas and
Covalent Compounds Pass out Final Exam list Use sentence starters to write
counterarguments that must be on the SAME google doc from Phase 2.
If done early, start HW on 31L Project deadlines
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REG CHEM AGENDA
Lecture: Naming Ionic Formulas and Covalent Compounds
Pass out Final Exam list Last day to work on Project. Project is
due Tuesday of next week, and you will present it on that day.
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Ionic compounds with polyatomic ions
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Honors: Memorize, will be using all year• Polyatomic ions are groups of atoms with a charge:
1.Ammonium (NH41+)
2.Hydronium H3O+
3.Hydroxide (OH1-) 4.Sulfate (SO4
2-)
5.Nitrate (NO31-)
6.Chromate (CrO42-)
7.Carbonate (CO32-)
8.Phosphate (PO43-)
9.Cyanide (CN-)
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Review Ionic Formulas using polyatomic ionsWrite the formula of the following ionic compounds.
Use the flashcards:
a) Calcium nitrateb) Sodium sulfatec) Ammonium oxided) Lead (II) phosphatee) Lead (IV) phosphate
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You TryWrite the formula of the following ionic compounds:
a) Chromium (III) hydroxide
b) Nickel (II) nitratec) Ammonium sulfated) Silver nitratee) Magnesium chlorate
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You try one more timeWrite the formula of the following ionic compounds:a)Potassium carbonate b)Hydrogen carbonatec) Iron (III) hydroxided) Ammonium phosphatee) Sodium sulfate
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Now backwards – ionic no prefixes!Write the names of each of the following formulas:
a)Na2O
b)CuCl2c) Cr2O3
HINT: Cu and Cr are transitional metals, so they need roman
numerals.
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More practice for HW Name the following ionic formula units:
a) Cu2Ob) AgClc) AlBr3
d) Mg(NO3)2
e) CaF2
f) CuCl2g) FePO4
h) Cr2Oi) PbO2
j) SnCl4k) Ca(OH)2
l) Na2SO4
m) Ca3(PO4)2
o) (NH4)2SO4
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Nomenclature for Covalent Compounds
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Molecules that are made from a combination of two nonmetals (covalent?) require Greek prefixes in their names
Mono- 1 Hexa- 6
Di- 2 Hepta- 7Tri- 3 Octa- 8Tetra- 4 Nona- 9Penta- 5 Deca- 10
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ExamplesFind the formula of the following
a) Phosphorus trifluorideb) Nitrogen dioxidec) Carbon trioxide
Mono is not required for the first nonmetal in the covalent compound
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You Trya) Sulfur dibromideb) Sulfur hexachloridec) Phosphorus pentafluoride d) Nitrogen trihydridee) Oxygen difluoride
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Now backwards, you tryName the following compounds:
a) SF2
b) NI3c) CF4
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Homework
Name the following compounds:
a) PCl3b) N2O3
c) PF3
d) NF3
e) SCl2
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DO NOW: Backpacks away, use whisper voice to work on catalyst:
1.Write the ionic formula unit for sodium carbonate. 2.Convert 3 hour into seconds using dimensional analysis, and write answer in scientific notation.
TABLE OF CONTENTS:Unit 2: Chemical Bonding, Intermolecular Forces, Chemical Equations
Pg Left Right29 Balancing Practice Notes: Balancing and Reaction Types
30 Practice #1-10 Notes: Nomenclature
31 More Practice Notes: Nomenclature Part 2
Homework:
Honors:Project must be printed and turned in on Wednesday
Gchem: None
Tutoring HoursMon – 4:30-6pm Tues- 3:30-6pmThur- 3:30-6pmFrid - 3:30-6pm
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Do you want to end up like her?
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Organize your writing portfolioMake sure you have the following in one google doc: Annotated Bibliography
Make sure have the following in a second google doc: 2¶ for background with heading in italics 1¶ for how the source works, heading in italics 2¶ for benefits/pros, heading in italics 1¶ for cons/drawbacks, heading in italics 2¶ why this source is better (counterarguments), heading in italics 1¶ Solutions, heading in italics
Make sure have the following in a third google doc: Letter to any Politician (all peers must have a copy in their portfolio)
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Socratic Seminar Out Circle Norms
When your partner speaks in the inner circle, you will use the discussion board found in mrnarez2014.wordpress.com
①1. Summarize what your partner said (To summarize what Edgar said...)
②2. Clarify their answer if they were unclear (What I think Kimberly was trying to say was...)
③3. Ask them a probing question, question their rationale, their evidence, make them think more in depth (Isaac, I think the quote that you used during the seminar about hydroelectric energy meeting the energy demands of our country was misunderstood, what I think the quote meant was...)
During the debrief (5 min coaching session), you will assess how your peer did during the discussion. You will use the criteria for success checklist to given feedback.
You will complete this at the end of class.
Incorrectly grading your peer will lead to a deduction of your own grade.
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Inner Circle Norms (Critical thinking, high level discussion)
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Norms:
Grading:
Socratic Seminar
DOs DON’Ts Make eye contact Follow speaker Wait for other’s to finish their
thoughts Allow those that haven’t
spoken a chance to speak Use academic language and
evidence from sources.
Side conversations Slouching Interrupt Be off task on ipad
Mr. Narez’s Grading Points
PREPARATION – Socratic Seminar Prep Sheet 1
OUTER CIRCLE- Discussion Board Response 1
INNER CIRLCE- Critical Thinking response (make a connection, clarify a response, ask the group a question, respond using evidence, challenge)
2
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Rights of the Facilitator• Will encourage others to participate • Will ask probing questions from the Padlet • Will ask for clarification • Will instruct you to when to debrief using the criteria for
success• Will instruct the class when to rotate
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To find yourself, think for
yourself.”
To find yourself, think for
yourself.”
“I cannot teach anybody
anything. I can only make them
think”
“I cannot teach anybody
anything. I can only make them
think”
Purpose of a Socratic Seminar is to learn from each other and build on each other’s knowledge.
Purpose of a Socratic Seminar is to learn from each other and build on each other’s knowledge.
STEPS FOR A MEANINGFUL DISCUSSION1.Use evidence from sources2.Use high-level discussion questions.3.Make connections4.Agree, disagree5.Discuss
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Group StructuresInner Circle Outer Circle
1. Christopher Celis 2. Anthony Cruz 3. Geronimo Flores 4. Kimberly Gallardo 5. Heidi Hernandez 6. Ricardo Jimenez 7. Alfonso Perez 8. Jem Lopez 9. Esteban Urenda 10. Valerie Melendez 11. Derek Armenta12. Daisy Gonzalez 13. Sam Rivas
1. Miguel B. 2. Leanne Inda Lara 3. Aron Mey 4. Angel Pelayo 5. Israel Ramirez 6. Melissa Reyes 7. Erwin C8. Norma Rubio 9. Alice Sedano 10. Cristian Tejada 11. Danae Yepez 12. Ismael Jimenez 13. Matt Abandy
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Group StructuresInner Circle Outer Circle
1. Adriana & Stephanie 2. Claudia 3. Isaac 4. Norma 5. Ana 6. Lesley 7. Destiny 8. Julian 9. Daniel 10. April11. Mayra
1. Mary Jane 2. Jessica 3. Wendy 4. Christopher 5. Jose 6. Marco 7. Isabel 8. Kharoline 9. Marcello 10. Hilary 11. Hannya
FACILITATOR: JOSHUA
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Group StructuresInner Circle Outer Circle
1. Joel 2. Eduardo 3. Daniel4. Jesus 5. Ibrahim 6. Amy 7. June 8. Viviana 9. Mark 10. Luis 11. Matthew 12. Samantha and Ben
1.Arthur 2.Seth 3.Kaela 4.Chris Flores 5.Edgar 6.Alanis 7.Andrea 8.Lilly 9.David 10.Ashley 11.Nick 12.Lupe
FACILITATOR: Eric
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Timeline Fishbowl Formation (up to 5 min) Discuss: claim, evidence, agree, challenge/rebuttal (20) Debrief with Coach (5) Discuss (10) Switch Fishbowl Formation (1 min) Discuss: claim, evidence, agree, challenge/rebuttal (20) Debrief with Coach (5) Discuss (10) Turn in criteria for success Answer Prompt 1 on Green Catalyst Slip
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Useful for Socratic seminars •Proponents of X are right to argue that _________. But they exaggerate when they claim that ________. This is because ______________. •While it is true that ____________, it does not necessarily follow that _____________. •I agree with X that __________. But I still insist that _____________. •Recent studies like these shed new light on _________ which previous studies had not addressed. •X matters because ________________. •Although X may seem trivial, it is in fact crucial in terms of today’s concern over __________. •Ultimately, what is at stake here is ______________________•I think X is mistaken because she overlooks _______________.
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Naming Organic Compounds
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Organic Compounds containing carbon and hydrogens • Hydrocarbons are named by counting the number
of carbon atoms:
C1 – meth C6 – hex
C2 – eth C7 – hept
C3 – prop C8 – oct
C4 – but C9 – non
C5 – pent C10 – dec
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3 types of hydrocarbons• The ending depends on the type of bond formed:• Single bond: -ane (Alkanes)• Double bond: -ene (Alkenes)• Triple bond: -yne (Alkynes)
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Is it a ring or a chain?• The number of carbon atoms in a compound is
calculated by the formulas:
• CXH2X+2 for chains
• CXH2X for rings
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ExamplesWrite the formula for each of the following: a) methaneb) butanec) cyclopropaned) C5H12
e) C6H14
f) C10H20
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You tryWrite the formula for each of the following: a) heptaneb) cyclononanec) ethaned) C3H6
e) C5H12
f) C7H14
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Homework
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Nomenclature for Acids for Sem 2
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Naming Acids (Not on final)• Binary acids are named using the prefix hydro- and the
suffix –ic acid.• No prefixes
• HCl hydrochloric acid• HBr hydrobromic acid• HI hydroiodic acid
• H2SO4sulfuric acid (no hydro- needed)