Which of the following CORRECTLY pairs the particles of an atom with their physical properties?

A)proton-positively charged; neutron-uncharged; electron-negatively charged
B)proton-negatively charged; neutron-uncharged; electron-positively charged
C)proton-positively charged; neutron-negatively charged; electron-uncharged
D)proton-uncharged; neutron-negatively charged; electron-positively charged