The Pupil Is the __________

question 90

Multiple Choice

The pupil is the __________.

• A)opening in the center of the iris
• B)colored part of the eye
• C)white of the eye
• D)lining in the back of the eyeball

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Definitions:

Anion

A negatively charged ion, which moves toward the anode (positive electrode) during electrolysis.

Cation

A positively charged ion that is attracted to the cathode in electrolysis, often found in various biological and environmental systems.

Electron

Negatively charged subatomic particle in an atom.

Valence Electrons

Electrons in the outer shell of an atom that determine the atom's chemical properties and its ability to form bonds with other atoms.