Download Ch_2-3 review2012

Ch. 2-3 Review
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Know what happens when electron absorb additional energy, and what happens to that energy after
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Know what determines the physical and chemical properties of an atom
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Know difference between ionic and covalent bonds
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Know why polar and non-polar covalent bonds form
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Know what hydrogen bonds are and why they form
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Know how water differs in each of it’s three states
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Know the different properties of water and why they relate to water’s hydrogen bonding/polarity
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Know how pH can be converted to conc. of hydrogen ions, difference in H conc between pH __ and ___
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Know what isomers are and an example
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Know the structure of the main functional groups, what types of chemicals they are found in
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Know the structure of an amino acid, what makes each different
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Know how polymers are constructed and broken down-specific reaction, different types of polymers
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Know how starch, glycogen, cellulose differ
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Know different types of lipids, difference between saturate and unsaturated fatty acids
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Know the different levels of protein structure, examples and chemical bonding in each
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Know how to calculate the # of different polypeptide combinations in a chain of X amino acids long
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Know what denaturation is and what factors cause it
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Know the structure of an amino acid, dna, rna
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Know what elements are found in each of the four types of organic molecules, be able to recognize the
features of each type
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Know examples for each type of carbohydrate, lipids
FREE RESPONSE TOPICS:
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Most common elements found in organic molecules
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Importance, diversity of carbon molecules
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Importance, types of weak chemical bonds
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Water’s chemical, physical properties, importance to life
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Formation of polymers, how this determines directionality, order of molecules