What Are the Coordination Numbers of Ca²⁺ and F^- Ions

question 60

Multiple Choice

What are the coordination numbers of Ca²⁺ and F^- ions, respectively,In fluorite? The unit cell is shown below

• A) 6 and 8
• B) 4 and 8
• C) 8 and 8
• D) 6 and 4
• E) 8 and 4

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Definitions:

Recessive Trait

A genetic characteristic that is expressed in an organism only when two copies of the gene responsible for the trait are present.

Mitosis

Cellular reproduction in which the cell’s nucleus duplicates itself with two new cells being formed, each containing the same DNA as the parent cell, arranged in the same 23 pairs of chromosomes.

Meiosis

A specialized form of cell division that forms eggs and sperm (also known as gametes).

Chromosome

A structure composed of DNA and proteins found in the nucleus of most living cells, carrying genetic information in the form of genes.