MBB222-lecture2 %5bCompatibility Mode%5d

MBB222-lecture2 %5bCompatibility Mode%5d - Chemical...

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Chemical Interactions • molecules are made up of atoms living systems primarily C H O N P S – in living systems, primarily C, H, O, N, P, S aracter of these molecules depends on the way these atoms character of these molecules depends on the way these atoms interact – both within the molecule ( intramolecular interactions ) and between molecules ( intermolecular t t i interactions )
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Atomic Bonds and Molecular Interactions • the attractive forces between atoms/molecules Covalent Bonds – two atoms sharing one (single bonds) or more (double, triple bonds) pairs of electrons – generally, each type of atom forms a characteristic number gy , y p of covalent bonds with other atoms, in a well-defined geometric pattern
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ovalent Bonds (continued) Covalent Bonds (continued) – the bonded atoms may share the electrons equally (nonpolar bonds) or unequally (polar bonds), depending on their electronegativity (i.e., their electron-attracting ability) » remember: FONClBrSCH
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MBB222-lecture2 %5bCompatibility Mode%5d - Chemical...

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