Interpretation : The names of the shapes of the molecules for each compound is to be found. The atomic arrangements in each compound result in their different shapes to be explained.
Concept Introduction : The Valence Shell Electron Pair Repulsion model, or VSEPR model, is used to calculate the molecular structure. This model is based on a configuration that reduces the attraction between shared and unshared electron pairs surrounding the main atom.
The shape of the molecules for the compound
Atomic orbitals combine during the hybridization process to create brand-new, identical hybrid orbitals.
In the compound
There are three valence electrons in aluminum which form bonds with three chlorine atoms. So, there are no valence electrons in the compound.
The shape of the compound is detected with the help of hybridization and VSEPR theory.
There are three bonds, so the hybridization is
In the compound
There are five valence electrons in phosphorous where the three electron forms a bond with three chlorine atoms and a lone pair of the electron is left unpaired. So, there is one lone pair of electrons in the compound.
There are three bonds and one lone pair, so the hybridization is
Though the compounds have similar formulae, they have different valence electrons.
Chapter 12 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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