CHE 201 Chapter Notes - Chapter 9: Trigonal Bipyramidal Molecular Geometry, Trigonal Planar Molecular Geometry, Trigonal Pyramidal Molecular Geometry
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Electron domain: a lone pair or a bond, regardless of whether the bond is single, double, or triple, examples, Chapter 9: the electron domain of the central atom, radicals are considered a domain. Electron domain geometry: the arrangement of electron domains around a central atom. Molecular geometry: the arrangement of bonded atoms. Bond angle: the a(cid:374)gle (cid:271)et(cid:449)ee(cid:374) t(cid:449)o adja(cid:272)e(cid:374)t a b (cid:271)o(cid:374)ds. Ab5: equatorial, the 3 bonds that are arranged in a trigonal plane in a trigonal bipyramidal geometry. Axial: axial, the 2 bonds that form an axis perpendicular to the trigonal plane. Geometry of molecules with more than 1 central atom: deter(cid:373)i(cid:374)e their (cid:373)ole(cid:272)ular shape (cid:862)separately(cid:863), ch3oh. , c part is tetrahedral while the o part is bent. Molecular geometry and polarity: molecular geometry helps us, understand the physical and chemical behavior of a substance; such as molecular polarity, molecular polarity. Influences physical, chemical, and biological properties: a bond between two atoms with different electronegativities is polar.
