I need help filling in the blanks with the correct possessive pronouns in French. Example: le mien , le tien , la mienne la tienne , etc..

Imagine that you are an exchange student calling home to tell your parents about what you did last week. in french 5 sentences

Name 12 roads in montreal /nom 12 rue en montreal

I'm doing a presentation about the oxygen atom, i'm right now explaining what the nucleus i've searched the web for ideas but nothing shows up. what does the nucleus do in an oxygen atom? !