From the Following List of Observations, Choose the One That

question 65

Multiple Choice

From the following list of observations, choose the one that most clearly supports the conclusion that the mass of the atom is located mainly in the nucleus.

• A) the emission spectrum of hydrogen
• B) the photoelectric effect
• C) diffraction
• D) the scattering of alpha particles by metal foil
• E) cathode "rays"

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Definitions:

Thumb Handle

A handle designed to be grasped or operated with the thumb, typically found in various tools or implements.

Ratchet

A mechanical device consisting of a wheel or bar with teeth, allowing movement in one direction while preventing movement in the opposite direction, or colloquially, a situation or process that is perceived to be deteriorating or declining.

Forceps

A handheld, hinged instrument used in surgical procedures for grasping, holding firmly, or extracting something within the body.

Clamping

The process of holding or securing objects tightly together using a device to prevent movement or separation.