Certain Period 2 Elements Exhibit Behaviors Similar to Period 3

question 20

Multiple Choice

Certain Period 2 elements exhibit behaviors similar to Period 3 elements immediately below and to the right. One of the interesting diagonal relationships occurs between boron and silicon. Which of the following is one of their similarities?

• A)Both exhibit electrical properties of a conductor.
• B)The oxoanions of both elements occur in extended ionic networks.
• C)Both elements form compounds (boranes and silanes)that are good oxidizing agents.
• D)Boric acid and silicic acid occur in layers with widespread hydrogen bonding.
• E)Both elements are unusually soft solids.

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Definitions:

Cost Curves

Graphical representations in economics that show how the costs of production vary with different levels of output.

Marginal Product

The additional output that can be produced by adding one more unit of a specific input, holding all other inputs constant.

Variable Input

An input in the production process that can be adjusted in the short term, such as labor or raw materials, to change the output level.

Total Output

The combined quantity of production or services produced by an entity in a given period.