Which of the Following Semimetals in the Free State Has

question 132

Multiple Choice

Which of the following semimetals in the free state has an oxidation number of zero?

• A)As
• B)Ge
• C)Sb
• D)Si
• E)all of the above

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Definitions:

Sinoatrial Node

A group of cells in the heart that generates electrical impulses, acting as the heart's natural pacemaker.

Atrioventricular Node

A part of the heart's electrical system that delays the signal before passing it from the atria to the ventricles, allowing the heart’s chambers time to fill with blood.

Oxygen In Blood

The vital process by which oxygen is transported by red blood cells from the lungs to the rest of the body, supporting cellular respiration.

Hemoglobin

A protein in red blood cells responsible for transporting oxygen from the lungs to the body's tissues and organs.