The Oxidation State of Silicon in SiO₂ Is

question 50

Multiple Choice

The oxidation state of silicon in SiO₂ is

• A) +4
• B) +2
• C) 0
• D) -2
• E) -4

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Definitions:

Pericardial Fluid

Viscous fluid contained within the pericardial cavity between the visceral and parietal pericardium; functions as a lubricant.

Heart Valves

Structures within the heart that maintain unidirectional flow of blood by opening and closing depending on the pressure differential.

Systemic Circulation

The part of the cardiovascular system which carries oxygenated blood away from the heart to the body, and returns deoxygenated blood back to the heart.

Epicardium

The outermost layer of the heart's wall, composed of connective tissue and fat, providing protection and contributing to the heart's lubricative fluid.