Indium has two naturally occurring isotopes and a weighted average atomic mass of 114.82 amu . one of the isotopes has a mass of 112.9043 amu. which is likely to be the second isotope: 111in, 112in, 114in, or 115 in

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.