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10.4 Exercise 16

Avg difficulty 2.5

A rare decay mode has been observed in which 222Ra^{222} \text{R} \text{a} emits a 14C^{14} \text{C} nucleus. (a) The decay equation is 222Ra→AX+14C^{222} \text{Ra} \rightarrow ^{A} \text{X} + ^{14} \text{C}. Identify the nuclide AX^{A} \text{X}. (b) Find the energy emitted in the decay. The mass of 222Ra^{222} \text{Ra} is 222.015353 u.

OpenStax University Physics Volume 3, 10.4 Nuclear Reactions, exercise 16

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Adapted from University Physics Volume 3 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 3. Imported at revision db44eb9.