Calculate the energy change associated with the transition from n=4 to n=1 in the hydrogen atom.
A) + 3.55 10-18 J Absorption
B) +2.04 x 10-18) Emmision
C)-3.55 x 10-18) Absorption
D) -2.04 x 10-18] Emmision

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.