A nucleus consists of nucleons comprising of protons and neutrons. A proton has a positive charge equal to and has a mass:
Correct answer: B. 1.6 x 10^-19C; 1.637 x 10^-27kg
- A. 2.6 x 10^-19C; 3.6 x 10^-28kg
- B. 1.6 x 10^-19C; 1.637 x 10^-27kg
- C. 3.6 x 10^-19C; 2.111 x 10^-27kg
- D. 4.6 x 10^-19C; 9.111 x 10^-27kg
- E. 5.6 x 10^-19C; 8.111 x 10^-27kg
Explanation
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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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