What Is the Average Oxidation Number of Cu in the 1-2-3

question 55

Multiple Choice

What is the average oxidation number of Cu in the 1-2-3 superconductor YBa₂Cu₃O₇ if Y is in the +3 oxidation state?

• A)+2
• B)+2.33
• C)+0.67
• D)+4.33

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Definitions:

Afferent Lymphatic Vessels

Vessels that carry lymph towards the lymph nodes, playing a key role in the immune response by transporting antigens.

Cortical Sinuses

Specialized vascular channels found in the spleen's cortex that aid in filtering the blood and immune response modulation.

Trabeculae

The network of bony structures in spongy bone that provide structural support and help reduce bone weight.

Spleen

An organ involved in blood filtration, immune response, and red blood cell recycling.