Chem II Test I Conceptuals
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linear geometry— Ans: 180 degrees, 2 bonds repel each other;
nonpolar
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trigonal planar— Ans: 120 degrees, 3 bonds, non linear;
nonpolar
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tetrahedral geometry— Ans: 109.5 degrees, four electron
groups; nonpolar
trigonal bipyramidal— Ans: 90 degrees, five groups,
minimizes repulsions; polar
bent geometry— Ans: a molecular geometry in which three
atoms bond in a nonlinear arrangement; two bonding groups
and one/two lone pairs; polar
square planar— Ans: four bonds, two lone pairs
square pyramidal— Ans: five bonds, one lone pair
octahedral— Ans: six bonds, zero lone pairs
seesaw geometry— Ans: four bonding groups, one lone pair