h 0 2 h2+_1.0 1 2 h2+_1.25 1 2 h2+_1.5 1 2 h2+_1.75 1 2 h2o 0 1 h2o+ 1 2 h2o2+_1.0 1 2 h2o2+_1.25 1 2 h2o2+_1.5 1 2 h2o2+_1.75 1 2 he 0 1 he+ 1 2 he2+_1.0 1 2 he2+_1.25 1 2 he2+_1.5 1 2 he2+_1.75 1 2 nh3 0 1 nh3+ 1 2 nh32+_1.0 1 2 nh32+_1.25 1 2 nh32+_1.5 1 2 nh32+_1.75 1 2