Electron Shell Capacities
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Questions and Answers

What contributes to the electrical properties of a material, including its ability to conduct electrical current?

  • Protons
  • Neutrons
  • The nucleus
  • Electron shells (correct)
  • Which atomic particle is positively charged?

  • Electrons
  • Neutrons
  • Protons (correct)
  • Valence shell
  • What type of material is known as a conductor?

  • Material that doesn't conduct electricity
  • Material with negatively charged electrons
  • Material with predominantly neutrons
  • Material that easily conducts electricity (correct)
  • What determines a material's conductivity?

    <p>Willingness to share electrons</p> Signup and view all the answers

    Which part of an atom contains both protons and neutrons?

    <p>Nucleus</p> Signup and view all the answers

    What is the name of copper with two additional positive charges?

    <p>Cupric ion</p> Signup and view all the answers

    What is the characteristic of noble gases under normal conditions?

    <p>They contain the maximum number of valence electrons.</p> Signup and view all the answers

    What practical application uses ionisation and neon gas to produce light?

    <p>Neon lighting</p> Signup and view all the answers

    Which type of bond joins metals to nonmetals in a molecule?

    <p>Ionic bond</p> Signup and view all the answers

    What does a molecule consist of?

    <p>Two or more atoms bonded together</p> Signup and view all the answers

    What is the maximum number of electrons the third electron shell can hold?

    <p>18</p> Signup and view all the answers

    In an atom, which shell forms the valence band?

    <p>Fourth shell</p> Signup and view all the answers

    What determines whether or not an atom's electrons will flow easily?

    <p>Valence shell</p> Signup and view all the answers

    What is the net charge of a balanced atom?

    <p>0</p> Signup and view all the answers

    In aviation, which aspect of electron theory is focused on for conduction and current flow?

    <p>Atomic valence shell</p> Signup and view all the answers

    What subatomic particles make atoms differ from one another?

    <p>Protons, electrons, and neutrons</p> Signup and view all the answers

    What is the role of the valence band in an atom?

    <p>It contains the valence electrons and forms the conduction band</p> Signup and view all the answers

    What is the function of the conduction band in an atom?

    <p>It allows a valence electron to become a free electron and conduct electricity</p> Signup and view all the answers

    What is the difference in energy called between the valence band and the conduction band?

    <p>Energy gap</p> Signup and view all the answers

    What is the main factor that determines whether an atom is in a balanced state?

    <p>The number of protons and electrons are equal</p> Signup and view all the answers

    What is the electrical nature of conductors?

    <p>They have a loosely bound outer electron shell and are good conductors of electricity</p> Signup and view all the answers

    What defines the molecular structure and nature of insulators?

    <p>Tightly bound outer electron shell, restricting movement of electrons</p> Signup and view all the answers

    What is the electrical nature of molecules?

    <p>They have a tightly bound outer electron shell, making them poor conductors</p> Signup and view all the answers

    What does the symbol 'R' represent in the context of electrical fundamentals?

    <p>Resistance</p> Signup and view all the answers

    What factors control the resistance of an object?

    <p>Material, length, and temperature</p> Signup and view all the answers

    What is the relationship described by Ohm's law?

    <p>V = IR</p> Signup and view all the answers

    What is the unit for the measurement of a material's ability to conduct current?

    <p>Siemens</p> Signup and view all the answers

    What is the reciprocal of resistance?

    <p>Conductance</p> Signup and view all the answers

    Which type of material can range between both a conductor and an insulator?

    <p>Semiconductor</p> Signup and view all the answers

    How many electron shells can some atoms have?

    <p>Seven</p> Signup and view all the answers

    Where are the electrons with the least amount of energy located?

    <p>Closest to the nucleus</p> Signup and view all the answers

    What is the outermost shell of an atom known as?

    <p>Valence shell</p> Signup and view all the answers

    How are the electrons in the outermost shell held by the nucleus?

    <p>Weakly</p> Signup and view all the answers

    Which electron shell possesses electrons with the greatest amount of energy?

    <p>&quot;N&quot; shell</p> Signup and view all the answers

    What do we call the electrons that are further away from the nucleus?

    <p>&quot;Loosely bound&quot; electrons</p> Signup and view all the answers

    How many letters represent the first four electron shells?

    <p>&quot;K&quot;, &quot;L&quot;, &quot;M&quot;, &quot;N&quot;</p> Signup and view all the answers

    Which term is commonly used interchangeably with 'electron shells'?

    <p>&quot;Energy levels&quot;</p> Signup and view all the answers

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