The Orbits of Electrons in an Atom Are Sometimes Compared

question 116

Multiple Choice

The orbits of electrons in an atom are sometimes compared with the orbits of the planets around the Sun.However,only one of the following characteristics of electron orbits is shared with planetary orbits.Which one?

• A) Larger orbits are associated with higher energies.
• B) The particle motions must be described by quantum mechanics.
• C) Only certain allowed orbits exist with certain allowed energies and allowed distances.
• D) The orbiting particles exhibit both particle and wave properties.

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Definitions:

Spinal Cord

The cylindrical bundle of nerve fibers and associated tissue that is enclosed in the spine and connects nearly all parts of the body to the brain, forming the central nervous system.

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The scientific study of heredity and the variation of inherited characteristics.

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The outer layer of the brain, involved in complex functions such as thought, perception, and memory.

Hypothalamus

A region of the brain responsible for the regulation of certain metabolic processes and other activities of the autonomic nervous system, including temperature, hunger, and thirst regulation.