What Is the Ground-State Electron Configuration for Ni²⁺ (Z =

question 56

Multiple Choice

What is the ground-state electron configuration for Ni²⁺ (Z = 28) ?

• A) [Ar] 4s² 3d¹⁰
• B) [Ar] 4s² 3d⁶
• C) [Ar] 3d⁸
• D) [Ar] 4s¹ 3d⁷

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Definitions:

Direct Labor-Hours

Complete work hours of employees directly incorporated in production tasks.

Variable Overhead

Indirect production costs that vary with the level of production, such as electricity costs or materials used in the maintenance of machinery.

Manufacturing Overhead

All indirect costs associated with manufacturing, such as indirect materials, indirect labor, and other overhead costs.

Labor Efficiency Variance

The difference between the actual labor hours used and the standard labor hours expected, multiplied by the standard labor rate.