Why do electric charge move to another location?

Classic textbook example : Rub a balloon on your hair, then the balloon sticks to you hair because they are oppositely charged. But why do charges transfer in the first place? Are all balloons positively charged and is my hair always negatively charged in the first place and hence from rubbing they gain/lose the... show more Classic textbook example : Rub a balloon on your hair, then the balloon sticks to you hair because they are oppositely charged.

But why do charges transfer in the first place? Are all balloons positively charged and is my hair always negatively charged in the first place and hence from rubbing they gain/lose the charges?

If I have a balloon that is neutrally charged, this can't happen right?

Is being negatively net charged means there are more electrons in the object?
1 answer 1