Moderate
Species of the same element that have the same atomic number "Z" but have different mass number "A" are called _ of that element.
Correct answer: B. Isotopes
- A. Radioactive rays
- B. Isotopes
- C. Alpha particles
- D. Beta particles
Explanation
Isotopes of the same element will have the same atomic number but different mass numbers.
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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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