Which term refers specifically to radiation that can remove electrons from atoms?

Which term refers specifically to radiation that can remove electrons from atoms?

• A. Radiation
• B. Non-ionizing radiation
• C. Ionizing radiation
• D. X-ray

Answer: (C)

Ionizing radiation is radiation with enough energy to knock electrons completely off atoms, creating ions. This energy threshold sets it apart from non-ionizing radiation, which can excite or heat but cannot remove electrons. Since the question is about the term that specifically describes radiation capable of removing electrons, ionizing radiation is the best fit. X-rays fall under this category as a common example, but they are a specific type; the general term covers all forms that can ionize, including high-energy ultraviolet, gamma rays, and energetic particles.

Ionizing radiation is radiation with enough energy to knock electrons completely off atoms, creating ions. This energy threshold sets it apart from non-ionizing radiation, which can excite or heat but cannot remove electrons. Since the question is about the term that specifically describes radiation capable of removing electrons, ionizing radiation is the best fit. X-rays fall under this category as a common example, but they are a specific type; the general term covers all forms that can ionize, including high-energy ultraviolet, gamma rays, and energetic particles.