The ratios of charged antiparticles to particles have been obtained for pions, kaons, and protons near midrapidity in central Au+Au collisions at roots(NN)=200 GeV. Ratios of <pi(-)>/<pi(+)>=1.025+/-0.006(stat.)+/-0.018(syst.), <K->/<K+>=0.95+/-0.03(stat.