0621

thanks for your help

Could you please explain the answers to these 2 questions to me or tell me what site to visit that would explain it? thanks! A positron orbiting an antiproton would make up an atom of? A. unobtaninium B. anti-hydrogen C. positronium D. anti-helium Compared to the energy it takes to separate oxygen and hydrogen from water, the amount of energy given off when they recombine is? A. much more B. slightly more C. the same D. slightly less E. much less