Physics · Radioactivity
Which of the following is a naturally occurring radioisotope?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Fluorine-18 (F-18)
- 2Uranium-235 (U-235)✓
- 3Cobalt-60 (Co-60)
- 4Iodine-131 (I-131)
Correct answer
Uranium-235 (U-235)
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