Hydro-carbons

Definitions Naming Bonds Review

Problems

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• Draw the Lewis Dot Structure for

CCl4 & H2O

• Answer for CCl4

• Answer for H2O

ClC ClCl

• CCl4– C has 4 valence e-– Cl has 7 valence e-

ClCl

Cl—C—Cl

Cl

•Final Question

•Answer for H2O

H

H

O

Lewis Dot Structure Practice

H2O

– H = 1 valence e-– O = 6 valence e-

H—O—H•Final Question

Hydrocarbons$100

• Alkanes have ______ bonds,• Alkenes have ______ bonds,• Alkynes have ______ bonds.

• Alkanes have single bonds,• Alkenes have double bonds,• Alkynes have triple bonds.

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Hydrocarbons$200

• Saturated compounds contain ______ bonds while unsaturated bonds contain _______ bonds.

• Saturated compounds contain single bonds while unsaturated bonds contain double or triple bonds.

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Hydrocarbons$300

• How many hydrogen atoms are present in a hydrocarbon with 20 carbons?

• Cn H2n+2

• C20 H 2(20)+2 C20H42

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Hydrocarbons$400

• What are the names of the first four hydrocarbons?

• Methane, ethane, propane, butane

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Hydrocarbons$500

• Name the following hydrocarbon

• 2,3,3,8 tetramethyl decane

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Definitions$100

• An ion with a positive charge is called

• cation

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Definitions$200

• Lewis Dot Structures show the structure of the _________ _________ of a compound

• Valence electrons

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Definitions $300

• Known as the resistance to flow and it increases as the length of the carbon chain increases

• viscosity

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Definitions $400

• According to the Law of Conservation of Mass, the mass of the reactants will be ____ to the mass of the products

• equal

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Definitions $500

• _________ are molecules with the same molecular formula but different structural arrangements

• isomer

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Naming$100

• The prefix for 6 is __________ while the prefix for 7 is ________

• 6 = hexa-

• 7 = hepta-

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Naming $200

• What is the name of the compound formed between Fe+3 and O-2?

• Iron (III) Oxide

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Naming $300

• What is the name of the following compound: AlPO4

• Aluminum phosphate

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Naming $400

• What is the name of the following compound: P5O3

• Pentaphosphorus trioxide

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Naming $500

• What are the names of the following compounds: – H2SO4

– HF

• Sulfuric acid• Hydrofluoric acid

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Bonds$100

• Ionic bonds are created by a _____ of electrons while covalent bonds are created by a _____ of electrons

• transfer, sharing

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Bonds$200

• Polar bonds are created by an ________ sharing of electrons. Non-polar bonds are created by an _________ sharing of electrons.

• Polar = un-even sharing• Non-polar = even sharing

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Bonds$300

• Which type of bond would be the strongest?H—H O=ON≡N

• Triple bond, N≡N

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Bonds$400

• NaCl would have what type of bond (ionic, polar covalent, non-polar covalent)

• Ionic– Na = 0.9 and Cl = 3.0– 3.0 – 0.9 = 2.1– Ionic = 4.0 1.7– Polar = 1.7 0.3– Non-polar = 0.3 0

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Bonds$500

• What type of bond is soluble in water (which is polar) but not oil (which is non-polar) and conductive?

• Ionic is soluble in polar and conductive– Polar is soluble in polar but is not conductive– Non-polar is soluble in non-polar and is not conductive

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Review Problems$100

• Protons have ________ charge• Electrons have ________ charge• Neutrons have ________ charge

• Protons = positive• Electrons = negative• Neutrons = neutral or no charge

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Review Problems$200

• Which element has 4 protons and 3 neutrons?

• Beryllium– Only protons matter for identifying the element

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Review Problems$300

• Which family on the periodic table is the most stable?

• Noble Gases

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• Give an example of a metal, non-metal, and metalloid

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Review Problems$400

Review Problems$500

• Which type of radiation is the strongest because it is only stopped with concrete or lead?

• Gamma• Alpha radiation is the weakest—stopped by

paper. Beta is in the middle—stopped by foil.

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