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Lakeside High School

Dekalb County Schools

Unit 2


Bell work: 
1) what do you suppose an ionic compound contains? 
2) what types of elements do you suppose are in ionic compounds? 
Lesson: intro to binary ionic compounds (naming and writing formulas)  


Bell work:
1) A compound is ionic if the first element is this type of element? _____________
2) If the metal is a transtiion metal then what must you use to deonte the charge? ____
3) write the formula for the following: 
barium nitride      copper II iodide   beryllium oxide 
4) write the name: MgS     AuCl3 
Lesson: binary vs tertiary ionic compounds: how to identify the difference and how to name and write formulas for 
notes and "roll of the die" activity  


Bell work: 
today's bell work is a worksheet on naming binary and tertiary ionic compounds with and without multiple charge cations 
students will work independently on the worksheet and then we will go over. This is the last day that ionic compounds will be the focus so be sure to ask questions 
after we go over the worksheet covalent compounds will be introduced.  


Bell work: 
Name these compounds: 
Write formulas for these compounds: 
copper II chloride
lead II sulfate
gold III nitrate
calcium phosphide 
In class: quiz on ionic compounds, Unit 1 PreAssessment, Notes on Covalent compounds 
Work: more naming and writing formulas!!! ws with both ionic and covalent compounds
(we will go over the answers to the worksheet in class tomorrow) 


Bell work:
 Name the following:
Write the formula for the following: 
 chromium III arsenide
diboron tetroxide
magnesium hydroxide
titanium IV sulfide
tetraphosphorus decoxide
In class - students will take notes on how to name and write formulas for binary and oxyacids


Bell work:
name these:                               write formulas for these 
 HBr                                               chromic acid
OF2                                                  hydroselenic acid 
Au(CN)3                                        hydroflouric ace 
HF                                                   phosphorous acid          
In class: today we are doing a lab on the properties of ionic and covalent compounds
NO GPB video!!!!!


Bell work: 
write the formula:                         name: 
carbonic acid                                HClO2
hydroiodic acid                             HCl
hypochlorous acid                        HClO4
In class: go over acid nomenclature worksheet; finish the rest for tomorrow- quiz on Wednesday - naming compounds: ionic, covalent and acidic 
learning to draw lewis structures for molecules - GPB video episode 502 
Hand out: 2nd draft of science fair paper checklist


Bell work: 
draw these Lewis structures: 
SeO  PH  CCl4
In class: we will finish the lewis structure packet that was handed out yesterday - the entire thing should be complete.
Students turned in the naming acids worksheet which had all of the types of compounds on the back. 
There will be a naming compounds quiz later this week (Thursday) - all types (ionic, covalent and acidic) 


Bell work: (a review for tomorrow's assessment on naming and writing formulas for comounds) 
write name:                            write formula: 
Au(CN)3                                 copper II nitrate 
Mg(ClO4)2                              calcium nitride 
H2SO4                                    hydroselenic acid 
H2S                                          carbonic acid 
N2O4                                       tetraphosphorous decoxide 
SO3                                          sulfurous acid 
we went over the answers to the class work yesterday (drawing lewis structures for molecules) and turned in for a classwork grade 
We then took notes on how to identify the molecular geometry --- the info to fill in the notes can be found on GPB video episode 503   (google "GPB video episode 503 " and watch the first ten minutes - all we did in class was complete (and discuss) the chart 
QUIZ TOMORROW - naming and writing formulas for compounds 


today - chemical nomenclature assessment 
Bell work: 
Write Name:                      Write Formula:  
H2SO3                                   perchoric acid
H2Se                                      hypochlorous acid
Cr2(CO3)3                             hydrochloric acid 
Ca3P2                                    tin IV oxide             
H3PO4                                   tetraphosphorus decoxide 
N2O4                                      gold III sulfate 
MnO2                                     aluminum fluoride 
In class - students take assessment and then continue/begin working on the molecular geometry "lab" 


draw and identify the molecular geometry for the following: 
SO3 2-
copy and paste this link to view a video on polar and nonpolar bonds:  and watch minute 12.30 - 15:00 on GPB episode 503    
Also, google GPB videos and watch from around the 12:30 time to the 15:00 time to learn about polar vs nonpolar molecules. Use this electronegativity chart to help you complete two last columns of the molecular geometry "lab".  


bell work: there is no bell work today
students continue completing the molecular geometry lab and work through the review (up to intermolecular forces)


Bell work:
identify the molecular geometry and polarity of the following: 
in class - notes on intermolecular forces and how the strength of intermolecular forces relate to physical properties. work: indentifying intermolecular forces


 Bell work:
identify the polarity and predominant intermolecular force: 
1) CH     2) NH   3) SO3      4) SF2    5) CO
QUIZ tomorrow - draw the lewis structure, identify the geometry and the polarity


Bell work: 
identify the molecular geometry, the polarity and the predominant IMF
1) CCl4         2) NO33) PH3      4) NH3      5) HI
after the quiz students will practice balancing chemical equations 


no bell work 
students will practice balancing chemical equations 


Bell work: 
balance the following equations: 
Al2(SO4)+ H3PO4  ----- AlPO4 + H2SO4
CH 4 + O2 ------- CO+ H2O
Mg(OH)  + HCl ------ MgCl2 + H2O
 Students turned in the 2nd draft of their paper. 


Bell work: 
write the following chemical equations: 
1) sodium reacts with hydrochloric acid to produce sodium chloride and hydrogen gas
2) copper II nitrate reacts with iron to produce Iron II nitrate and copper 
3) magnesium hydroxide reacts with phosphoric acid to produce magnesium phosphate and dihydrogen monoxide 
IN class - students are instructed to turn in their project category using the project category sheet under the science fair tab on the website. 
Students take notes on types of reactions and predicting products  


Bell work: 
identify the type of reaction and write the equation: 
1) calcium chloride + aluminum ----- calcium + aluminum chloride 
2) barium nitride + potassium iodide ---- barium iodide and potassium nitride  
3) sulfuric acid ----- sulfur dioxide + oxygen gas  + hydrogen gas
in class: students will have an opportunity to retake yesterday's pop quiz 


Bell work: 
List several indicators of chemical reactions 
In class --- types of chemical reactions lab 
Due tomorrow: project category  


Bell work: 
complete the reactions
1) boron + fluorine ---- 
2) barium + oxygen -----
3) C3H6O + oxygen ----- 
4) magnesium oxide ---- 
In class - we will learn how to use a reactivity series to determine if a single replacement reaction will occur and will learn how to determine if a double replacement reaction will occur 


warm up: 
use the reactivity series to determine if the following reactions will or will not occur; if they do not then write NR if they do then write the balanced chemical equation: 
1) aluminum  + magnesium bromide 
2) sodium + magnesium bromide 
3) magnesium + silver nitrate 
4)  potassium + silver nitrate 
In class - students recieve info regarding the last and final draft of their science fair research paper. 
Students use the solubility rules to determine if certain compounds are soluble or insoluble and then apply to determine if an insoluble salt (ionic compound) will be produced when 2 aqueous compounds are combined. solubility worksheet   solublity rules 


Bell work: 
complete and balance the equation: 
1) silver + gold III sulfate ---
2) gold III sulfide + sodium phosphide ---
3) C6H12O6 + oxygen ----
4) aluminum oxide ---
 in class: quiz over predicting the products of a reaction (all types)
after quiz: students will learn to write dissociation equations for soluble salts in preparation for writing complete and net ionic equations tomorrow.  For example, write the dissociation equation for Na3P(aq), CaCl2(ag), Mg(NO3)2, FeI3 (aq) 


Bell work: write the dissociation equation for the following soluble salts: 
1) ammonium sulfate 
2) calcium oxide 
3) rubidium sulfide 
4) ammonium carbonate 
In class - students turn in their solubility worksheet (which has the reactivity series of single replacement reactions on the back) 
Notes - students take notes on writing complete and net ionic equations and practice writing complete and net ionic equations  


bell work: 
write the balanced, complete ionic and net ionic for the following equation: 
aqueus potassium phosphate +  aqueous barium nitrate  ---- 


Bell work:
Calculate the average atomic mass of an atom with the following isotopes: 
X-55.43 amu -- 25.75% abundant 
X-54.89 amu --- 26.25% abundant 
X-52.49 amu --- ??? abundant 
There will be a test on Friday over chapter 9 ( balancing equations, writing equations, types of equations, complete and net ionic equations)
In class - notes on molar conversions; practice molar conversions


Bell work: 
1) calculate the percent composition of FeCl 3
2) how many formula units are in 25.0 g of FeCl3 ?
In class - notes on empirical and molecular formulas (found in chapter 10 of text or online)
molar conversion quiz tomorrow 


Bell work: 
Monosodium glutomate, MSG, is 35.5% C, 4.77% H, 8.29% N, 13.6% Na and 37.9% O. What is the empirical formula of MSG? 
In class - molar conversion quiz 
HW: finish empirical and molecular formula work 
tomorrow - how to determine the the mass of an element in a compound using dimensional analysis and/or how to determine the mass of a compound when given the mass of an element in a compound using dimensional analysis.  


stoiciometry practice problems