An alpha particle ionizes an atom:
Correct answer: D. All of the above
- A. Through direct collision
- B. Through electrostatic attraction
- C. Through electrostatic repulsion
- D. All of the above
Explanation
An alpha particle can ionize an atom through direct collisions, electrostatic attraction, and electrostatic repulsion. It interacts with electrons and the nucleus, leading to ionization events.
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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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