![Page 1: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/1.jpg)
20
Mrs. Leinweber
![Page 2: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/2.jpg)
Chemistry 20Introduction
What isscience?
What is chemistry?
![Page 3: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/3.jpg)
Scientific Process
![Page 4: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/4.jpg)
Chemical Changes
Physical changes produce no new substances.
Chemical changes produce new substances.
![Page 5: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/5.jpg)
Observations & Interpretations
Qualitative observations involve descriptions.
Quantitative observations involve measurements.
What would be some examples of qualitative and quantitative observation when vinegar is added to baking soda?
![Page 6: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/6.jpg)
Interpretations (Inferences) is an indirect form of knowledge that builds on a concept or an experience to further describe or explain an observation.
What would be a quantitative observations when observing the light bulb?
What would be a qualitative observation when observing the light bulb?
What would be an interpretation when observing the light bulb?
Observations & Interpretations
![Page 7: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/7.jpg)
Classifying Knowledge
Empirical knowledge is observable.
Theoretical knowledge is not observable, it explains and describes observations in terms of ideas.
Metals are shiny.Electrons occupy energy levels.
![Page 8: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/8.jpg)
Classifying Matter
![Page 10: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/10.jpg)
Review what you just learned
Check your Knowledge
1. Questions pg 11 #1-5, 7, 8
2. Questions pg 13 #1-5
![Page 12: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/12.jpg)
![Page 13: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/13.jpg)
![Page 14: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/14.jpg)
![Page 15: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/15.jpg)
![Page 16: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/16.jpg)
How It Is Put Together
![Page 17: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/17.jpg)
What are the parts ?
![Page 18: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/18.jpg)
What are the parts ?
![Page 19: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/19.jpg)
How To Use It
![Page 20: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/20.jpg)
Atomic TheoriesElectron Energy Levels
![Page 21: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/21.jpg)
Atomic Theories
![Page 22: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/22.jpg)
![Page 23: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/23.jpg)
![Page 24: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/24.jpg)
![Page 25: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/25.jpg)
![Page 26: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/26.jpg)
![Page 27: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/27.jpg)
Metals lose electrons to become cations (sodium ion)
Nonmetals gain electrons to become anions (chloride ion)
Carbon, boron, silicon and noble gas generally do not form ions.
Atoms and Ions
![Page 28: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/28.jpg)
Atoms and Ions
PRACTICE :)
![Page 29: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/29.jpg)
![Page 30: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/30.jpg)
Energy Diagrams
![Page 31: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/31.jpg)
Review what you just learned
Check your KnowledgeRead pg 14-17Questions pg 16 #1-6,8,9
![Page 32: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/32.jpg)
Ionic Compounds
![Page 33: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/33.jpg)
OxideOxygen
Ionic compounds are formed when metals lose electrons to non-metals and then are attracted to each other, forming an ionic bond.Example: Magnesium and oxygen.
12p+ 8p+
Magnesium
Electrons
Ionic Compounds
![Page 34: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/34.jpg)
Ionic Compounds
All ionic compounds are solids at SATP and form conducting solutions.
![Page 35: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/35.jpg)
Practice Writing Names & formulas
Magnesium and fluorine
Magnesium and oxygen
Magnesium and nitrogen
Potassium and bromine
Potassium and sulfur
Potassium and nitrogen
Calcium and phosphorus
Sodium and chlorine
![Page 36: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/36.jpg)
Multivalent Ionic Compounds
Many metals can form more than one ion, iron for example can form Fe2+ and Fe3+ ions.
![Page 37: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/37.jpg)
Naming Multivalent Ionic Compounds
Example #1FeO(s)
Fe2O3(s)
Example #2SnF4(s)
SnF2(s)
Example #3BiP(s)
Bi3P5(s)
Example #4Chromium(III) sulfide
Example #5Technetium(VII) nitride
Example #6Copper (II) Sulfate
![Page 38: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/38.jpg)
Polyatomic Ionic Compounds
Polyatomic ions are composed of two or more elements covalently bonded with an overall negative or positive charge.
![Page 39: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/39.jpg)
Predicting Polyatomic Ionic Compounds
Example #1 sodium hydroxide
Example #2 potassium sulfate
Example #3 calcium nitrate
Example #4 iron(III) dichromate
Example #5 cupric phosphate
![Page 40: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/40.jpg)
Predicting Polyatomic Ionic Compounds
Example #6 NH4Cl(s)
Example #7 Co(IO3)3(s)
Example #8 RuPO4(s)
![Page 41: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/41.jpg)
Ionic Hydrates
Some ionic compounds exist as hydrates; have water molecules attached.
Example: CuSO4*5H2O
![Page 42: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/42.jpg)
Ionic Hydrates
![Page 43: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/43.jpg)
Review what you just learned
Check your Knowledge
Questions pg 32 Q 3,4,5,15,16
![Page 44: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/44.jpg)
Molecular Compounds and Elements
![Page 45: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/45.jpg)
Molecular Elements and Compounds
Molecular molecules are formed between two nonmetals due to a sharing of electrons.
P+ P+
Both hydrogen atoms need an extra electron to complete their outer energy levels. Since neither is strong enough to steal an electron away they share valence electrons. Forming a covalent bond.
hydrogen atom hydrogen atom
![Page 46: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/46.jpg)
Molecular Elements
Many nonmetals are diatomic, others come in groups of three, four, or eight
![Page 47: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/47.jpg)
Binary Molecular Compounds
For hydrogen compounds such as hydrogen sulfide, H2S(g), common practice is not to use the prefix system.
Memorize the following table:
![Page 48: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/48.jpg)
Acids and Bases
Acids are molecular hydrogen compounds whose solutions conduct electricity.
Ionic bases contain the hydroxide ion.
Nomenclature Notes and Examples
![Page 49: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/49.jpg)
Review what you just learned
Check your Knowledge
Questions pg 36 Q 1-3
Check your Knowledge
Questions pg 32 Q 3,4,5,15,16
![Page 50: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/50.jpg)
Balancing Equations
![Page 51: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/51.jpg)
Balancing Equations
![Page 52: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/52.jpg)
Balancing Equations
![Page 53: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/53.jpg)
Balancing Equations
![Page 54: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/54.jpg)
Classifying Reactions
Combustion
Formation
Decomposition
![Page 55: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/55.jpg)
Classifying Reactions
![Page 56: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/56.jpg)
Assignment
1. Section 2.5 pg 59-60 Q 1 - 6
![Page 57: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/57.jpg)
Classifying Reactions
Single Replacement
Double Replacement
![Page 58: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/58.jpg)
Classifying Reactions
![Page 59: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/59.jpg)
Classifying Reactions
![Page 60: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/60.jpg)
SOLUBILITY
A SOLUTION is a homogeneous mixture of a SOLUTE (substance dissolved) and a SOLVENT (substance dissolving, usually a liquid).
SOLUBILITY is the maximum amount of a substance that can be dissolved at a specific temperature.
![Page 61: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/61.jpg)
Assignment
1. Section 2.6 pg 64 Q 1 - 5
![Page 62: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/62.jpg)
Chemical Amount
![Page 63: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/63.jpg)
1. Molar Mass (M) -
2. Mass (m) -
3. Moles (n) -
A measure of the amount of matter in an object. Mass is usually measured in grams or kilograms.
molar mass, Me the mass of one mole of a substance in units of grams per mole(g/mol)
mole t the SI base unit for the chemical amount or amount of a substance, whereone mole is the number of entities corresponding to Avogadro’s constant; unitsymbol, molmolecular
Chemical Amount
![Page 64: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/64.jpg)
Chemical Amount
Determine the molar mass of:a. H2O
b. CuSO4
.5H2O
c. Ca(NO3)2
d. Iron(III) sulfate
![Page 65: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/65.jpg)
Chemical Amount
Determine the chemical amount for:
a. 1500g of CaCO3
b. 50.0g of sucrose
![Page 66: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/66.jpg)
Chemical Amount
Determine the mass for the following:
a. 2.50 mol of K2CrO4
b. 3.45 mmol of sodium sulfate
![Page 67: 20 Mrs. Leinweber. Chemistry 20 Introduction What is science? What is chemistry?](https://reader035.vdocuments.site/reader035/viewer/2022081506/56649e545503460f94b4ac76/html5/thumbnails/67.jpg)
Assignment
1. Pg 53-54 Q1-5
2. Pg 57 Q1-3 & 5 & 6