Atomic Structure and Engineering Materials
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Questions and Answers

What are the basic building blocks of all materials?

  • Electrons
  • Atoms (correct)
  • Protons
  • Neutrons

    • Which subatomic particle is electrically neutral?

  • Protons
  • Electrons
  • Neutrons (correct)
  • None of the above

    • What is the charge magnitude for electrons and protons?

  • +1.602 × 10-19 Coulomb (C)
  • 1.602 × 10-19 Coulomb (C)
  • -1.602 × 10-19 Coulomb (C) (correct)
  • -1.602 × 10-9 Coulomb (C)

    • What is the atomic mass of an atom?

    <p>The number of protons plus the number of neutrons</p> Signup and view all the answers

    Which subatomic particles have approximately the same mass?

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

    How does atomic structure affect engineering materials?

    <p>It affects the behavior and properties of materials</p> Signup and view all the answers

    What is the atomic mass of an atom?

    <p>The sum of masses of protons and neutrons within the nucleus</p> Signup and view all the answers

    What is the atomic number of uranium?

    <p>92</p> Signup and view all the answers

    What is Avogadro's number?

    <p>The number of atoms or molecules per mole</p> Signup and view all the answers

    What do we call a group of atoms bonded together?

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

    What is the maximum number of electrons a shell can hold?

    <p>$2n^2$</p> Signup and view all the answers

    What type of bond results from the transfer of electrons from one elemental atom to another?

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

    What happens to an atom when it releases an electron?

    <p>It becomes positively charged</p> Signup and view all the answers

    Which type of bond involves the physical arrangement of atoms resulting in imbalanced electric charge?

    <p>$ ext{Ionic bond}$</p> Signup and view all the answers

    What are valence electrons?

    <p>Electrons in the outermost filled shell that participate in the formation of primary bonds between atoms</p> Signup and view all the answers

    What is quantum number?

    <p>The principle quantum number of a shell</p> Signup and view all the answers

    What are the three subatomic particles that make up an atom?

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

    Which type of bond directly affects the suitability of materials for real-world engineering applications?

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

    What is the charge magnitude for electrons and protons?

    <p>1.602 × 10-19 Coulomb (C)</p> Signup and view all the answers

    What is the atomic mass of an atom?

    <p>The number of protons plus the number of neutrons</p> Signup and view all the answers

    Which subatomic particles are electrically charged?

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

    In the structure of an atom, what is encircled by moving electrons in paths and shells?

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

    What is the atomic number of uranium?

    <p>92</p> Signup and view all the answers

    What is the atomic mass?

    <p>The sum of masses of protons and neutrons within the nucleus</p> Signup and view all the answers

    What is Avogadro's number?

    <p>6.023 x 10^23 (atoms/mole)</p> Signup and view all the answers

    What are valence electrons?

    <p>Electrons that participate in the formation of primary bonds between atoms</p> Signup and view all the answers

    What is the maximum number of electrons a shell can hold?

    <p>$2n^2$</p> Signup and view all the answers

    What is an ionic bond?

    <p>The transfer of electrons from one elemental atom to another</p> Signup and view all the answers

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