If the Interaction Between Two Species Is Proportional to 1/r⁶

question 47

Multiple Choice

If the interaction between two species is proportional to 1/r⁶, which of the following is likely involved?

• A) Chloromethane molecules in the gas phase
• B) Chloromethane molecules in the solid phase
• C) Li⁺ and H₂O
• D) Na⁺ and H₂O
• E) Ions in an ionic solid

---

Definitions:

Polygenically Determined

Traits that are influenced by multiple genes, often resulting in a continuum of possible phenotypes.

Double Helix

The structure formed by double-stranded molecules of nucleic acids such as DNA. It is often described as a twisted ladder shape.

Conception

The process in which a sperm fertilizes an egg, leading to the start of a pregnancy.

Union of Ovum and Sperm

The process of fertilization where a sperm cell combines with an ovum (egg) to form a zygote, the first stage in the development of a new organism.