An Uncharged Particle in the Nucleus of an Atom Is

question 1

Multiple Choice

An uncharged particle in the nucleus of an atom is a(n) ____.

• A) neutron
• B) proton
• C) ion
• D) isotope
• E) electron

---

Definitions:

Stimuli

External or internal factors that elicit a response from a biological organism, which can be sensory, such as light and sound, or psychological, such as events or conditions that provoke reactions.

Endorphins

Natural chemicals produced by the body that interact with opiate receptors in the brain to reduce pain and boost feelings of pleasure or euphoria.

Evolutionary Advantage

A characteristic that enhances the survival or reproduction of organisms that possess it, relative to those that do not.

Pain

An unpleasant sensory and emotional experience associated with actual or potential tissue damage.