If the Atoms Are Treated as Solid Spheres,the Fraction of Volume

question 73

Multiple Choice

If the atoms are treated as solid spheres,the fraction of volume occupied by the atoms in a body-centered-cubic unit cell is

• A)0.45
• B)0.52
• C)0.65
• D)0.68
• E)0.74

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Definitions:

Extinction

In psychology, the gradual weakening and disappearance of a conditioned response when the conditioned stimulus is no longer paired with the unconditioned stimulus.

Conditioned Response

A learned response to a previously neutral stimulus that has been repeatedly presented along with an unconditioned stimulus.

Spontaneous Recovery

A phenomenon in psychology where previously extinguished responses re-emerge after a pause without further conditioning.

Lab Experiment

A research study conducted in a controlled environment where variables can be manipulated to observe their effect on various outcomes.