The Atomic Radius of Main-Group Elements Generally Increases Down a Group

question 105

Multiple Choice

The atomic radius of main-group elements generally increases down a group because ________.

• A)effective nuclear charge increases down a group
• B)effective nuclear charge decreases down a group
• C)effective nuclear charge zigzags down a group
• D)the principal quantum number of the valence orbitals increases
• E)both effective nuclear charge increases down a group and the principal quantum number of the valence orbitals increases

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Definitions:

Base Period

A specific time period used as a comparison point for assessing economic or financial data across different periods of time.

Variable Costing

An accounting method that only includes variable costs, such as materials and labor, in the cost of goods sold and excludes fixed overhead costs.

Direct Costing

A method in managerial accounting that includes variable costs directly attributable to the production of a product in the cost of goods sold, excluding fixed costs.

Full Costing

An accounting method that includes all direct and indirect costs in the price of a product or service.