7 Matching Annotations
- Jan 2023
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chem.libretexts.org chem.libretexts.org
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sp3
the superscript denotes the number of electrons now occupying the valence sp orbital
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The overall process of forming a compound with hybrid orbitals will be energetically favorable only if the amount of energy released by the formation of covalent bonds is greater than the amount of energy used to form the hybrid orbitals
the hybridization of bonds occurs ONLY if the bond
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chem.libretexts.org chem.libretexts.org
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, that the two Be–H bonds have identical energies. T
even though they are not identical bonds (since one is 2s-2s and the other is 2s-2p), they are identical in ENERGY
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e greater the overlap, the more stable the bond.
greater overlap of ortibals= increase bond strength (and decrease bond length?)
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chem.libretexts.org chem.libretexts.org
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Bond polarity and ionic character increase with an increasing difference in electronegativity.
bond polarity and ionic character increase with an increasing difference in eletronegativity
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equal
nonpolar= equal electronegativity electronegativity= ability to pull e towards itself
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chem.libretexts.org chem.libretexts.org
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n molecular geometries that are highly symmetrical (most notably tetrahedral and square planar, trigonal bipyramidal, and octahedral), individual bond dipole moments completely cancel, and there is no net dipole moment.
SYMMETRICAL= NO NET DIPOLE MOMENT
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