1. What is the total number of valence electrons represented in the Lewis structures of each of the.

1. What is the total number of valence electrons represented in the Lewis structures of each of the.
  1. What is the total number of valence electrons represented in the Lewis structures of each of the following molecules (or molecular ions)? a) AlCl3 molecule ____ b) SeH2 molecule ____ c) N2O molecule ____ 2. According to VSEPR theory , in which fashion will the bonds and lone pairs of electrons be arranged about the central atom in the following molecules or molecular ions? a) BrF4- ion (The central atom is Br.) linear /octahedral/ tetrahedral/ trigonal bipyramidal / trigonal planar ? b) AlCl3 molecule (The central atom is Al.) linear /octahedral/ tetrahedral/ trigonal bipyramidal / trigonal planar ? c). CS2 molecule (The central atom is C.). linear /octahedral/ tetrahedral/ trigonal bipyramidal / trigonal planar ? 3. Consider the following statements and determine which are true and which are false.
true false NO3- has only two resonance Lewis structures.
true false The formal charge on an atom in a molecule (or molecular ion) can be calculated as:
(the number of valence electrons on a free atom) minus (half the number of electrons in bonds to that atom) minus (the number of unshared electrons assigned to the atom in the molecule)
true false SeF4 is a polar molecule.
true false SeF4 has a square planar structure.
true false KrF4 is a polar molecule.
true false Bond angles for IF6+ are 60 °.   Apr 26 2022 01:33 PM

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