Chromium-55 (54

question 14

Multiple Choice

Chromium-55 (54.940 8 u) emits an electron leaving a daughter nucleus of manganese-55 (54.938 0 u) .How much energy is released in this reaction? (1 u = 931.5 MeV/c²)

• A)5.59 MeV
• B)2.61 MeV
• C)1.40 MeV
• D)0.70 MeV

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