Chain Reactions in Nuclear Power Plants and Weapons
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Questions and Answers

What is the role of chain reactions in nuclear power plants and weapons?

  • Generating energy in power plants and preventing reactions in weapons
  • Generating energy in power plants and causing explosions in weapons (correct)
  • Preventing energy generation in power plants and causing controlled reactions in weapons
  • Causing explosions in power plants and controlling reactions in weapons

How are stray neutrons controlled in nuclear reactors?

  • By utilizing them for energy generation
  • Absorbing them with boron & cadmium control rods (correct)
  • Combining them to form larger nuclei
  • By releasing them into the environment

What are the potential consequences of a nuclear melt-down in a reactor?

  • Formation of new elements
  • Cooling down of the reactor
  • Explosions, fires, and release of radioactive materials (correct)
  • Increase in energy production

Which incidents involved nuclear melt-downs?

<p>Chernobyl, Fukushima, Three-Mile Island (C)</p> Signup and view all the answers

What is the process of nuclear fusion?

<p>Combining two small nuclei to form a larger nucleus (B)</p> Signup and view all the answers

What defines the coordination number in coordination compounds?

<p>The number of donor atoms directly bonded to the central metal (C)</p> Signup and view all the answers

What determines the charge on a complex ion in coordination compounds?

<p>Sum of metal ion's charge and ligands' charges (C)</p> Signup and view all the answers

What is the primary factor that defines the concept of coordination number in coordination compounds?

<p>Number of donor atoms directly bonded to the central metal (B)</p> Signup and view all the answers

Why does nuclear stability require more neutrons as atomic masses increase?

<p>Neutrons help reduce the repulsion between protons (B)</p> Signup and view all the answers

How is the concept of half-life defined in the context of nuclear decay rates?

<p>Time for one-half of a radioactive isotope to decay (B)</p> Signup and view all the answers

What are counterions in coordination compounds?

<p>Positive ions associated with complex ions (B)</p> Signup and view all the answers

How do weak-field and strong-field ligands contribute to complex ions?

<p>Influence crystal field splitting energy in complexes (B)</p> Signup and view all the answers

How do control rods in nuclear reactors help regulate reactions?

<p>Absorb stray neutrons (A)</p> Signup and view all the answers

What is the main purpose of the control rods in nuclear reactors?

<p>Regulate the rate of reactions (B)</p> Signup and view all the answers

In the context of nuclear power plants, what is the significance of coordination number?

<p>Specifies the number of donor atoms bonded to the central metal (B)</p> Signup and view all the answers

What distinguishes a primary coordination sphere from a secondary coordination sphere in coordination chemistry?

<p>Primary sphere is inside brackets, secondary is outside with molecules or ions (C)</p> Signup and view all the answers

Why are counterions important in coordination compounds?

<p>To neutralize the charge of the complex ion (A)</p> Signup and view all the answers

What defines monodentate ligands in coordination chemistry?

<p>Ligands that donate only one lone pair to the central metal (A)</p> Signup and view all the answers

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