Question

lets revisit your case now that weve learned a little bit about what can dissolve in water. remember that the molecule youre looking for must be able to dissolve in water (and oil, but well get to that later). what type of structural feature should the molecule were looking for have? which of the following characteristics of a particle may allow it to dissolve in water? it must have areas of neutral charge it must have areas with positive charge only it must have areas with negative charge only it must have areas of both positive and negative charge such that they cancel each other out it must only contain areas of slight positive charge it is a water - soluble ion with a full charge

Explanation:

Water is a polar molecule. Polar molecules have regions of positive and negative charge. For a substance to dissolve in water (a polar solvent), it should have regions of charge that can interact with water's charges. Ions (with full charges) are highly soluble in water as the water molecules' polar ends can interact with the ion's charge. Also, a molecule with areas of both positive and negative charge (even if they cancel each other out overall, like in some polar molecules) can interact with water's polar nature. Areas of neutral charge won't interact well with water's polar regions. Having only positive or only negative charge (in non - ion cases) is not as favorable as having both (in a non - canceling way for non - ions, but for ions, full charge is key). Only slight positive charge areas are not sufficient compared to full - charge ions.

Answer:

It must have areas of both positive and negative charge such that they cancel each other out; It is a water - soluble ion with a full charge.