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Chemistry PapaPodcasts

The following video podcasts are based on the Chemistry units found within the Ontario Curriculum

Weekly hand curated podcast episodes for learning

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The best episodes ranked using user listens.

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3.04 - Polyatomic Ions - 14:06

KEY TERMS: 2 or more non-metals, Nick the Camel ate a Clam for Supper in Phoenix, "ate" endingUnderlined letter represents the atom# of consonants = # of oxygens# of vowels = # of negative charges associated with polyatomicEnding is "ate" - except for ammonium ion and hydroxide ion5 Step Cross over rule:- Remember that polyatomic has brackets and the charge is written outside of the brackets- remove brackets when the number outside of the brackets is a "1"javascript:void(0)

15 Oct 2011

Rank #1

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3.02 - Naming Ionic Compounds - 5:48

KEY TERMS: reverse cross over rule, metal, non-metal

15 Oct 2011

Rank #2

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4.02 - Balancing Equations - 22:35

KEY TERMS: balance both sides of the equation by placing a number (coefficient) in front of the compound. Don't be afraid to have to change that number if it does not completely balance the equation. Balance polyatomic ions first. Remember that REACTANTS are to the left of the arrow and PRODUCTS are to the right of the arrow. Refer to episode on "Counting Atoms". Don't forget your diatomic molecules:oxygen = O2hydrogen = H2bromine = Br2chlorine = Cl2iodine = I2fluorine = F2nitrogen = N2

15 Oct 2011

Rank #3

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3.08 - Covalent Compounds - 14:25

KEY TERMS: 2 or more non-metalsPrefixes: mono, di, tri, tetra, penta, hexa, hepta, octa, nona, deca

15 Oct 2011

Rank #4

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3.01 - Writing Formulas for Binary Ionic Compounds - 20:51

KEY CONCEPT:When you combine a metal and a non-metal, use the 5 Step Cross over Rule to put together your formula

15 Oct 2011

Rank #5

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2.02 - Drawing Lewis Dot Structures of Ionic and Covalent Compounds

15 Oct 2011

Rank #6

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1.09 - Groups in the Periodic Table - 4:44

KEY TERMS: alkali metals, alkaline earth metals, halogens, noble gases, octet rule, cations, anions, metals lose electrons, non-metals gain electrons

15 Oct 2011

Rank #7

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3.06 - Acid Base Nomenclature - 14:48

KEY CONCEPTS: When naming Binary Acids, start by identifying the hydrogen atom as "hydro" and name the non-metal using the "ic" ending and add the word acid.Rules for Oxy-Acids:They are derivatives of polyatomic ions and polyatomic variations. Follow the following 4 rules:i.) ____ate ions become _______ic acidii.) per____ate ions become per_____ic acidsiii.) ____ite ions become _____ous acidsiv.) hypo____ite ions become hypo_____ous acidsBases contain hydroxide ion (OH)-1**NOTE: NO "hydro" for oxy-acids

15 Oct 2011

Rank #8

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5.01 - Synthesis Reactions - 15:18

KEY CONCEPTS:2 or more reactant --> 1 productmetal oxide + water --> base (bases contain an OH-)non-metal oxide + water --> oxy-acid (oxy-acid is a polyatomic with a hydrogen acting as a cation) - see what type of polyatomic comes to mind when you look at the non-metal oxide

15 Oct 2011

Rank #9

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1.08 - Atoms vs. Ions - 9:34

KEY TERMS: cation = positively charged atoms (metals)anion = negatively charged atoms (non-metals)metals lose electrons, non-metals gain electrons

15 Oct 2011

Rank #10

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5.02 - Decomposition Reactions - 5:23

KEY CONCEPTS:1 reactant --> 2 or more productsmetal hydrogen carbonate --> metal carbonate + CO2 + H2O (the metal can be any of the metals to the left of the aluminum ladder combined with a hydrogen carbonate. The end products are CO2 and H2O along with the metal bonded to the carbonate)i.e: NaHSO4 --> Na2SO4 + CO2 + H2O

15 Oct 2011

Rank #11

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5.04 - Double Displacement Reactions - 6:13

KEY CONCEPTS:pairing metals and non-metalsmetals switch places with the other metal in the reactionDon't forget the 5 Step Cross Over Rule! Don't forget to balance the equation.

15 Oct 2011

Rank #12

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5.03 - Single DIsplacement Reactions - 18:52

KEY CONCEPTS:metals switch with metals**non-metals switch with non-metals**look at the Activity Series if metal would switch with metal. If LONELY metal is higher in the Activity series than the metal paired with the non-metal can the metal switch places. If the LONELY metal is lower in the series, NO REACTION will take place.Don't forget to balance equations! Don't forget the 5 Step Cross Over Rule

15 Oct 2011

Rank #13

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2.01 - Electron Dot Diagram - 4:18

Valence electrons

15 Oct 2011

Rank #14

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4.01 - Counting Atoms - 13:05

15 Oct 2011

Rank #15