Answered

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How do you know if an isotope is stable or not?

Sagot :

Keytie39idn

ANSWER:

Stable isotopes do not decay into other elements. In contrast, radioactive isotopes (e.g., 14C) are unstable and will decay into other elements.

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Answer:

  • The stability of isotope is determined by the ratio of neutrons to protons. Elements with (Z<20) are lighter and the nuclei of these elements have a 1:1 ratio and tend to have the same proton and neutron number. Elements with atomic numbers between 20 and 83 are heavy elements, so the ratio is different. The ratio is 1.5:1.
  • Stable isotope does not emit radiation but if it does its half-life is too long to be measure while unstable isotope emits radiation.
  • Stable isotopes do not undergo radioactive decay

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