An Element with the Electron Configuration [Noble Gas]ns²(n - 1)d⁸

question 56

Multiple Choice

An element with the electron configuration [noble gas]ns²(n - 1) d⁸ has ________ valence electrons.

• A) 2
• B) 6
• C) 8
• D) 10
• E) None of these choices is correct.

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Definitions:

Antibody-Mediated Immunity

Immune response that involves B cells that produce antibodies to neutralize pathogens.

Nonspecific Cell Responses

Cellular reactions that are not tailored to any particular type of pathogen but instead provide a broad defense against a range of infectious agents.

Lymphocytes

A subtype of white blood cell found in the immune system, involved in protecting the body from infection and disease.

Dendritic Cells

Immune cells that process antigen material and present it on the surface to other cells of the immune system, key for initiating a T-cell response.