Today

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Todays Goal Start thinking about how molecules
exist and interact in a condensed state
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Two Types of Atomic Interaction
Covalent Bonds (make molecules) Non-covalent
Bonds (make molecules come alive)
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BOND PREFERENCES Hydrogen 1 covalent
bond Oxygen 2 covalent bonds Nitrogen 3
covalent bonds Carbon 4 covalent bonds
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Two Types of Covalent Bond Non-polar (electronica
lly balanced) Polar (electronically unbalanced)
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Molecules see each other by non-covalent interac
tions of their electron shells.
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4 Types of Non-covalent Bonds (1) van der
Waals (2) hydrogen bonds (3) ionic (4)
hydrophobic effect
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4 Types of Non-covalent Bonds (1) van der
Waals (2) hydrogen bonds (3) ionic (4)
hydrophobic effect
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Covalent and non-covalent Chemical bonds
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Next Class (9/18) BIT PARTS Functional
Groups The assortment of chemical bobbles found
in cells