The Effective Nuclear Charge (Z_eff) Felt by the Outermost Electrons

question 130

Multiple Choice

The effective nuclear charge (Z_eff) felt by the outermost electrons is the strongest for which of the following elements

• A) Al
• B) Si
• C) P
• D) S
• E) Cl

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Definitions:

Conditioned Response

A learned response to a previously neutral stimulus that has been repeatedly associated with an unconditioned stimulus.

Body's Defenses

The mechanisms by which the body protects itself from infection and disease, including the immune system, physical barriers, and biochemical processes.

Injected Drugs

Medicine or other substances introduced into the body through a syringe.

Classical Conditioning

An approach to learning in which two stimuli are repeatedly linked; the first stimulus alone eventually elicits a response that was initially elicited by the second stimulus.