Question

Compared to the mass and charge of a proton,

an antiproton has
(1) the same mass and the same charge
(2) greater mass and the same charge
(3) the same mass and the opposite charge
(4) greater mass and the opposite charge
Note that question 35 has only three
choices.

Answer 1

It has a smaller mass and opposite charge

Step-by-step explanation:

Answer 2

As far as current uncertainties go, it has (3) the same mass and the opposite charge