What Is the Correct Formula for the Iron(II) Ion

question 24

Multiple Choice

What is the correct formula for the iron(II) ion?

• A)Fe⁺
• B)Fe²⁺
• C)Fe³⁺
• D)Fe^2-
• E)Fe^3-

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Definitions:

Muscles

Tissues in the body that have the ability to contract, making movement possible.

Electromyograph

An instrument used to measure and record the electrical activity produced by skeletal muscles.

Muscular Tension

Physical discomfort or the feeling of tightness in the muscles, often a response to stress or anxiety.

Biofeedback

A technique in which a client is given information about physiological reactions as they occur and learns to control the reactions voluntarily.