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Which of the following isotopes is most dangerous to homo sapiens? phosphorous-32 strontium-90 caesium-137 iodine-131

Which of the following isotopes is most dangerous to homo sapiens?
  1. phosphorous-32
  2. strontium-90
  3. caesium-137
  4. iodine-131

Grade:12

1 Answers

Simran Vinaik
askIITians Faculty 1231 Points
3 years ago
The radioactive strontium – 90 is most dangerous as it gets fixed in bones.and may remain in bones leading to bone cancer. It emits high energy beta radiations. Phosphorus – 32 also emit high energy beta radiations but they cannot penetrate human skin. Caesium – 137 (beta emitter) and iodine – 131 also pose danger to human health but not more than strontium 90.

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