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FCAT Grade 8 Science Assessment Practice Questions

Category - FCAT Science Assessment Grade 8

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During the process of radioactivity, small particles are emitted from the atom or molecule in question. Which of the following types of particles can be emitted during radiation?
I. Electrons
II. Neutrons
III. Photon
  1. I only
  2. II only
  3. I and III
  4. II and III
  5. I and II
Explanation
Answer: C - In radiation, electrons, photons, alpha particles, and in some rare cases, positrons can be emitted. Neutrons are emitted from the normal kinds of radiation (alpha, beta, and gamma). Photons results from gamma radiation, and contain very high amounts of energy, which is why gamma radiation is the most dangerous.
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