Compared to the charge on a proton, the amount of charge on an electron is,

less and has the opposite sign
or
same and has the opposite sign
or
less and has the same sign
or
same and has the same sign

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?