Screening of the Nuclear Charge by Core Electrons in Atoms

question 22

Multiple Choice

Screening of the nuclear charge by core electrons in atoms is ________.

• A)less efficient than that by valence electrons
• B)more efficient than that by valence electrons
• C)essentially identical to that by valence electrons
• D)responsible for a general decrease in atomic radius going down a group
• E)both essentially identical to that by valence electrons and responsible for a general decrease in atomic radius going down a group

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Definitions:

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Relevant Cost

Costs that differ between alternatives in a decision-making process, and therefore, should be considered when evaluating those alternatives.

Avoidable Costs

Expenses that can be eliminated if a particular decision is made, such as discontinuing a product or service.

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