In the Cubic Closest-Packed Structure of Sodium Chloride, Which Ions

question 55

Multiple Choice

In the cubic closest-packed structure of sodium chloride, which ions are touching or nearly touching?
I.Sodium ions and sodium ions
II.Chloride ions and chloride ions
III.Sodium ions and chloride ions

• A) I only
• B) II only
• C) III only
• D) II and III only
• E) I and III only

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Definitions:

Thoracic Aorta

The portion of the aorta passing through the chest, from which arise the branches that supply oxygenated blood to the chest cage and organs within the thorax.

Abdominal Aorta

The main artery that runs down the abdomen and supplies blood to the organs and tissues of the abdomen.

Aortic Arch

The portion of the main artery that bends between the ascending and descending aorta, distributing blood to the head, neck, and arms.

Capillaries

Capillaries are the smallest blood vessels in the body, connecting arterioles and venules, and are responsible for the exchange of oxygen, carbon dioxide, and other nutrients and waste products between blood and tissues.