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francium has 36 isotopes, but only francium-223 occurs in nature. Francium-223 spontaneously emits particles and energy, so francium-223 is a (an) of francium.

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Question: Francium has 36 isotopes, but only francium-223 occurs in nature. Francium-223 spontaneously emits particles and energy, so francium-223 is a (an) of francium.                                                                                                 Answer: Francium-233 is a radioisotope   
User Nagarajan S R
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Answer;

Radioisotope

Francium-223 is a radioisotope of francium

Step-by-step explanation;

  • Radioisotopes are radioactive isotopes since they contain unstable nucleus and thus emit energy and particles when it changes to a more stable form.
  • Radioactive isotopes have an unstable nucleus that decays or emits excess energy or radiation until the nucleus becomes stable. They can be naturally occurring or artificial isotopes of an element.
  • Francium-223 is an example of radioactive isotope of Francium element.
User Mohammad Kurjieh
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