Chapter 7: Quantum Theory and Electronic Structure of Atoms Quiz
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Questions and Answers

What is the distance between identical points on successive waves called?

  • Speed
  • Frequency
  • Wavelength (correct)
  • Amplitude

    • Which quantity represents the number of waves that pass through a particular point in 1 second?

  • Wavelength
  • Amplitude
  • Speed
  • Frequency (correct)

    • What is the speed of a wave equal to?

  • Wavelength x Frequency (correct)
  • Wavelength / Frequency
  • Amplitude x Frequency
  • Wavelength + Frequency

    • Maxwell (1873) proposed that visible light consists of:

    <p>Electromagnetic waves</p> Signup and view all the answers

    What is the speed of light (c) in vacuum?

    <p>3.00 x 10^8 m/s</p> Signup and view all the answers

    What is the frequency of red light facial therapy with a wavelength of 669 nm?

    <p>6.17x10^14 s^-1</p> Signup and view all the answers

    What is the wavelength of the infrared light emitted by the AC remote controller with a frequency around 3.22x10^14 s^-1?

    <p>930 nm</p> Signup and view all the answers

    What is the minimum frequency of light required to release electrons from cesium metal with a work function of 3.42 x 10^-19 J?

    <p>1.00 x 10^15 s^-1</p> Signup and view all the answers

    What is the kinetic energy of the ejected electron if the light of frequency 1.00 x 10^15 s^-1 is used for irradiating the cesium metal with a work function of 3.42 x 10^-19 J?

    <p>3.21 x 10^-19 J</p> Signup and view all the answers

    What equation relates the work function of an element and the frequency of light needed to dislodge an electron?

    <p>$E = h \times n$</p> Signup and view all the answers

    Which of the following is true about isoelectronic species?

    <p>They have the same number of electrons and the same ground-state electron configuration</p> Signup and view all the answers

    What is the ground-state electron configuration for Ca2+?

    <p>[Ne]3s2</p> Signup and view all the answers

    Which element is isoelectronic with F-?

    <p>O2-</p> Signup and view all the answers

    What is the ground-state electron configuration for Na+?

    <p>[Ne]</p> Signup and view all the answers

    Which of the following is characteristic of isoelectronic species?

    <p>They have the same number of protons and electrons</p> Signup and view all the answers

    What is the electron configuration of Fe3+ ion?

    <p>[Ar]3d5</p> Signup and view all the answers

    Which element has the smallest atomic radius based on the given data?

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

    What is the effective nuclear charge (Zeff) formula based on the information provided?

    <p>Z - σ</p> Signup and view all the answers

    Which type of radius is represented by the given data: covalent radius or metallic radius?

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

    What is the electron configuration of Mn2+ ion?

    <p>[Ar]4s2 3d5</p> Signup and view all the answers

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