In the Figure Below, a Negative Ion Is Surrounded by Water

question 6

Multiple Choice

In the figure below, a negative ion is surrounded by water molecules.
The water molecules are oriented as shown above because the slightly _____________ in the water molecule is (are) attracted to the ion.

• A) negative hydrogen atoms
• B) positive hydrogen atoms
• C) negative oxygen atom
• D) positive oxygen atom

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Definitions:

Materials Price Variance

The difference between the actual cost of materials used in production and the standard cost, reflecting changes in material prices.

Materials Quantity Variance

The difference between the expected amount of materials needed for production and the actual amount used.

Materials Price Variance

The difference between the actual cost of materials used in production and the expected (or budgeted) cost.

Materials Quantity Variance

The difference between the actual quantity of materials used in production and the standard amount expected to be used, multiplied by the standard cost per unit.