For two things to dissolve, they have to have similar properties. "like dissolves like"
hexane is a hydrocarbon molecule. this means it is nonpolar. water is polar. since they are different, they don't mix to form a solution
Answer:
The more optically dense that a material is, the slower that a wave will move through the material. ... So as the index of refraction value increases, the optical density increases, and the speed of light in that material decreases.
When it gains an electrons is negatively charged so in this case I think it will be. -ion