Through beta decay, 55Cr (Chromium‑55 –with mass 54.94080 u) emits an electron (0.00055 u) leaving a daughter nucleus of 55Mn (manganese‑55 with mass 54.93800 u).

a) How many different particles to we get out of this reaction

b) How much energy in MeV is released in this reaction? (1 u = 931.5 MeV/c2)?

c) What is in fm the radius of the 55Mn nucleus?

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