The most stable element is:
Correct answer: C. iron
- A. copper
- B. uranium
- C. iron
- D. cobalt
Explanation
C is the right option because Iron is considered the most stable element due to its binding energy per nucleon being the highest among all elements. This means it requires the most energy per nucleon to break apart.
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Atomic nuclei contain protons and neutrons, with nuclear size, mass defect and binding energy describing their stability. The work covers alpha, beta and gamma decay, decay equations, half-life and decay rate, along with radiation safety and medical applications such as imaging, radiotherapy and tracers.
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