In the History of the Discovery of the Parts of an Atom

question 182

Multiple Choice

In the history of the discovery of the parts of an atom, the neutron was discovered after the proton and electron.What property of a neutron made it more difficult than the proton or electron to discover?

• A) Diameter
• B) Location in the nucleus
• C) Mass
• D) Lack of charge
• E) Presence in isotopes

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Definitions:

Torso

The central part of the human body to which the head, arms, and legs are attached; it includes the chest, back, and abdomen.

Ears

Organs of hearing and balance in humans and other vertebrates, responsible for detecting sound waves and converting them into signals that can be processed by the brain.

Feet

The lower extremity of the leg below the ankle, on which a person stands or walks.

Leptin

A hormone that affects appetite and is believed to affect the onset of puberty. Leptin levels increase during childhood and peak at around age 12.