Which Element Requires Two Additional Electrons to Fill the Outermost

question 76

Multiple Choice

Which element requires two additional electrons to fill the outermost electron shell?

• A) Phosphorus
• B) Carbon
• C) Nitrogen
• D) Oxygen
• E) Hydrogen

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Definitions:

Inflammatory Chemicals

Substances produced by the body in response to injury or infection, causing redness, heat, swelling, and pain as part of the immune response.

Lymphatic Vessels

Part of the lymphatic system, these vessels transport lymph, a fluid containing white blood cells and waste products, back into the bloodstream.

Valves

Structures that open and close to control the flow of fluids in one direction, commonly found in the heart and veins of the circulatory system.

Vaccinations

The administration of antigenic material (a vaccine) to stimulate an individual's immune system to develop adaptive immunity to a pathogen.