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What is the most important factor determining the geometry of a molecule or an ion?
The geometry of the molecule actually determines number of electron pairs on the central atom. The electron pairs will be arranged in such a way to minimize the repulsion and therefore, have the lowest possible energy.
What is the molecular geometry of sulfite ion?
trigonal bipyramidal
What is the probable ion formed from Br?
Br-. Bromine will grab an electron to make itself more stable, which makes it a negative ion.
What is the molecular geometry for N3?
This neutral (no charge) molecule has a bent linear geometry or an angular geometry, based on its Lewis structure, ::N=N=N:. (with a total of 15 valence electrons), with the dots representing electrons in non-bonding pairs, except for the one unpaired electron. It has a linear molecular geometry, because, as shown, it has only two electron domains or regions (around its central atom), which are more stably situated 180 degrees away from each other (according to the VSEPR theory). Note: The person asking this question seems to be asking for N3 with no charge on it; but I suspect s/he meant to ask for the azide ion, (N3)-, which would have 16 valence electrons, and that would also give a linear molecular structure.
What does '' plus '' mean in element?
A positive ion or an atom that has been stripped off one electron.
