Write a sentence using the word neutron. Write a sentence using the word Electron.

Can someone help me I need to write sentences using these words

Neutron: After a decade of experimenting, James Chadwick discovered neutrons and their purpose in helping atoms.
electron: Electrons are very useful when it comes to an atom as it is a negative charge and balances out the positive.

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