Which Are Closer Together: the Two Nuclei Within Potassium Fluoride,KF,or

question 45

Multiple Choice

Which are closer together: the two nuclei within potassium fluoride,KF,or the two nuclei within molecular fluorine, F₂ ?

• A)KF
• B) F₂
• C)Both are the same.Any atom bonded to F will have the same inter-nuclear separation.
• D)It makes little sense to compare two molecules which exist in different physical states.KF is a solid while F₂

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Definitions:

Lurking Variables

Variables that are not included as explanatory or independent variables in the analysis but can affect the relationship between the variables studied.

Randomize

To arrange or assign subjects, treatments, or sequences in a random manner to reduce bias in experimental design.

Blinding

A research design technique where one or more parties in an experiment are unaware of the treatment assignments to prevent bias.

Experimental Unit

The smallest division of the experimental material such that any two units are independent and can be assigned to different treatments.