Final answer:
The Lewis structure for H3O+ involves one oxygen atom and three hydrogen atoms, with a total of 9 valence electrons. The VSEPR shape of H3O+ is trigonal pyramidal due to the electron geometry and molecular shape.
Explanation:
Lewis Electron Dot Structure for H3O+: The Lewis structure for H3O+ consists of one oxygen atom with three hydrogen atoms attached to it. Oxygen has 6 valence electrons, and each hydrogen contributes one, making a total of 9 valence electrons. The structure will have three lone pairs on oxygen and three single bonds to hydrogen.
VSEPR Shape of H3O+: The VSEPR shape of H3O+ is trigonal pyramidal. In this shape, the oxygen atom is at the center, with three bonding pairs and one lone pair of electrons, creating a tetrahedral electron geometry and a trigonal pyramidal molecular shape.
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