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AP Chemistry Electronic Structure and Periodic Properties — practice questions

Explore 22 free Electronic Structure and Periodic Properties questions in AP Chemistry Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Electronic Structure and Periodic Properties questions and exercises with answers

Showing questions 1–22 of 22.

Newton showed with lenses and prisms that white light consists of:Read the answer and worked solution →The SI unit of frequency, one cycle per second, is the:Read the answer and worked solution →An electromagnetic wave consists of an electric field oscillating in step with a:Read the answer and worked solution →Points on a vibrating string that never move are called:Read the answer and worked solution →X-rays have wavelengths of approximately:Read the answer and worked solution →Standing waves on a two-dimensional surface have nodes that are:Read the answer and worked solution →The two types of node visible in atomic orbital diagrams are angular nodes and:Read the answer and worked solution →The failure of classical physics to describe blackbody radiation at short wavelengths became known as the:Read the answer and worked solution →The theoretical expression for blackbody radiation that matched experiment was derived around 1900 by:Read the answer and worked solution →In the photoelectric effect, electrons are ejected from a clean metal surface only when the light has:Read the answer and worked solution →Making the light brighter in a photoelectric experiment increases:Read the answer and worked solution →Each emission line from a gas consists of a single wavelength, which implies the emitted light has:Read the answer and worked solution →In 1885 Johann Balmer derived an empirical equation relating hydrogen's four visible wavelengths to:Read the answer and worked solution →Bohr's model succeeded for hydrogen but he could not extend it to helium because helium has:Read the answer and worked solution →The wavelength axis of the spectra shown uses the angstrom, where one angstrom equals:Read the answer and worked solution →Newton's own explanation of light treated it as:Read the answer and worked solution →Microwave frequencies suit communication applications because such waves tend not to be:Read the answer and worked solution →Order the quantum breakthroughsRead the answer and worked solution →Match each term to its meaningRead the answer and worked solution →True or false: light and electronsRead the answer and worked solution →Sort each idea by its authorRead the answer and worked solution →Complete the photoelectric ruleRead the answer and worked solution →

Worked practice questions

Newton showed with lenses and prisms that white light consists of:

  1. Rainbow colours combined
  2. A single pure wavelength
  3. Only invisible radiation
  4. Sound waves in disguise
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Correct answer: A. Rainbow colours combined

1. In the seventeenth century Isaac Newton performed experiments with lenses and prisms. 2. He was able to demonstrate that white light consists of the individual colours of the rainbow combined together. 3. A prism separates those colours because each is refracted by a different amount. 4. He explained his optics findings in terms of a corpuscular view of light. _Source: OpenStax Chemistry 2e (CC BY 4.0), Ch 6 'Electronic Structure and Periodic Properties of Elements', sections 6.1-6.5_

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The SI unit of frequency, one cycle per second, is the:

  1. The hertz
  2. The joule
  3. The newton
  4. The angstrom
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Correct answer: A. The hertz

1. Frequency counts how many wave cycles pass a point each second. 2. The unit for frequency, expressed as cycles per second, is the hertz. 3. A joule measures energy and a newton measures force. 4. An angstrom is a length, equal to 0.1 nanometres. _Source: OpenStax Chemistry 2e (CC BY 4.0), Ch 6 'Electronic Structure and Periodic Properties of Elements', sections 6.1-6.5_

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An electromagnetic wave consists of an electric field oscillating in step with a:

  1. Parallel gravity field
  2. Perpendicular magnetic field
  3. Parallel magnetic field
  4. Perpendicular sound field
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Correct answer: B. Perpendicular magnetic field

1. Maxwell's description ties the two fields of an electromagnetic wave together. 2. Electromagnetic waves consist of an electric field oscillating in step with a perpendicular magnetic field. 3. Both of those fields are perpendicular to the direction of travel. 4. That geometry is what makes light a transverse wave. _Source: OpenStax Chemistry 2e (CC BY 4.0), Ch 6 'Electronic Structure and Periodic Properties of Elements', sections 6.1-6.5_

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More Chemistry topics

Composition of Substances and SolutionsEquilibria of Other Reaction ClassesSolutions and ColloidsStoichiometry of Chemical ReactionsThermodynamicsAcid-Base EquilibriaAtoms, Molecules, and IonsChemical Bonding and Molecular Geometry