NaCl Crystallizes in a Cubic Unit Cell with Cl^- Ions

question 10

Multiple Choice

NaCl crystallizes in a cubic unit cell with Cl^- ions on each corner and each face.How many Na⁺ and Cl^- ions are in each unit cell of NaCl?

• A)1 Na⁺ ion and 1 Cl^- ion
• B)2 Na⁺ ions and 2 Cl^- ions
• C)4 Na⁺ ions and 4 Cl^- ions
• D)8 Na⁺ ions and 8 Cl^- ions

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Definitions:

Variable Costs

Costs that fluctuate in direct proportion to the amount of production or sales figures.

Fixed Costs

Overhead expenses that remain consistent regardless of changes in the level of production or sales activities.

Relevant Range of Operations

The range of activity within which the assumptions about variable and fixed cost behavior are valid, used for budgeting and planning purposes.