A Pure Substance

question 22

Multiple Choice

A pure substance

• A)always has the same elemental composition.
• B)is composed of more than one element.
• C)can be broken into its components by physical means.
• D)is chemically inert.
• E)changes color when placed in bright sunlight.

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Definitions:

Diffusion of Innovation

A theory that explains how, why, and at what rate new ideas and technology spread through cultures or social structures.

Saddle Point

In mathematical optimization, a saddle point is a point on the surface of the graph of a function where the slopes (derivatives) in orthogonal directions are all zero, but which is not a local extremum (minimum or maximum) of the function.

Soren Kierkegaard

A Danish philosopher and theologian considered the first existentialist philosopher, known for his critiques of Hegel and the Danish church and his exploration of the complexities of human existence.

Movers and Drifters

Individuals who are actively seeking opportunities for advancement and change (movers) compared to those who lack direction and goals (drifters).