Which particle is a fundamental particle?
Correct answer: A. Electron
- A. Electron
- B. Hadron
- C. Neutron
- D. Proton
Explanation
•An electron is a kind of lepton which is considered a fundamental or elementary particle because they are not further divisible.•Hadrons are the heaviest particles; they are further composed of 2 quarks.•Protons and neutrons are baryons which are further composed of 3 quarks
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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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