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Consider: Number of bonding domains on the central atom Number of non-bonding electron pairs (lone pairs) on the central atom
Consider: Number of bonding domains on the central atom Number of non-bonding electron pairs (lone pairs) on the central atom
Tetrahedral
Octahedral
Trigonal planar
Trigonal bipyramidal
3 bondings + 1 electron pair = 4 (electron domains)
Because there are 2 bonded and 2 unbonded electron domains. since there are 4 electron domains, its original form would be a tetrahedral. however, for the molecular, you must remove to two unbonded domains, leaving the two domains as far apart from each other as possible
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Eubacteria ans Archaebacteria
The molecular geometry of the AsO2- ion is bent (because of the lone electron pair with the central arsenic atom, making the O-As-O bond angle very obtuse) but its electron domain geometry is trigonal planar because there are three domains, with a 120 deg. angle between them.
true