Radioactive Decay and Radioisotopes

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Questions and Answers

What is an isotope that undergoes radioactive decay called?

  • Decaying Molecule
  • Radio-isotope (correct)
  • Unstable Element
  • Active Isotope

What is the characteristic of an isotope that undergoes radioactive decay?

  • It has a stable nucleus
  • It is a stable element
  • It has a constant mass
  • It releases radiation (correct)

What is another term for a radio-isotope?

  • Active Molecule
  • Radioactive Isotope (correct)
  • Radioactive Element
  • Unstable Compound

What is a radio-isotope an example of?

<p>An radioactive element (B)</p> Signup and view all the answers

What is the result of an isotope undergoing radioactive decay?

<p>It becomes more stable (C)</p> Signup and view all the answers

What is the primary reason why protons in an atomic nucleus do not repel each other and fly apart?

<p>The binding energy between them is strong (B)</p> Signup and view all the answers

What is the result of the interaction between the electrostatic force and the binding energy in an atomic nucleus?

<p>The nucleus can be stable or unstable depending on the balance between the two forces (D)</p> Signup and view all the answers

What is the charge of protons in an atomic nucleus that leads to their repulsion?

<p>Positive (A)</p> Signup and view all the answers

What role do neutrons play in the stability of an atomic nucleus?

<p>They have no effect on the nucleus stability (D)</p> Signup and view all the answers

What is the term that describes the energy that holds the protons together in an atomic nucleus?

<p>Binding energy (A)</p> Signup and view all the answers

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