What's an ion? 's cation? an anion? (no options)

If the number of electrons is less than the number of protons, the particle is a positive ion, also called a cation.
If the number of electrons is greater than the number of protons, the particle is a negative ion, also called an anion.


hope I helped...

Nucleus is the organelle that contains chromosomes

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it