BIOCHEMISTRY
POLAR AND NONPOLAR MOLECULES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Pairs of valence electrons
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Inner shell electrons
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Mobile Electrons
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Electrons closest to the nucleus
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Detailed explanation-1: -Valence-shell electron pair repulsion theory, or VSEPR theory, states that a molecule will adjust its shape so that the valence electron pairs stay as far apart from each other as possible.
Detailed explanation-2: -The VSEPR predicted shapes of molecules can be found in a systematic way by using the number of electron pairs to determine the shape of the molecules.
Detailed explanation-3: -If there are 4 atoms and 1 unshared pair of electrons around the central atom, these five thangs form the shape of a trigonal bipyramid in which one of the atoms has been replaced by the (invisible) electron pair.
Detailed explanation-4: -We can use the VSEPR model to predict the geometry of most polyatomic molecules and ions by focusing only on the number of electron pairs around the central atom, ignoring all other valence electrons present.
Detailed explanation-5: -The VSEPR theory assumes that each atom in a molecule will achieve a geometry that minimizes the repulsion between electrons in the valence shell of that atom.