Chromium and Manganese Are Among the Transition Elements That Form

question 18

Multiple Choice

Chromium and manganese are among the transition elements that form several different oxides. Which of the following statements characterize these oxides?

• A)As the oxidation number on the metal increases, the valence-state electronegativity increases and the oxides change from acidic to basic.
• B)As the oxidation number on the metal increases, the valence-state electronegativity increases and the oxides change from basic to acidic.
• C)As the oxidation number on the metal increases, the valence-state electronegativity decreases and the oxides change from acidic to basic.
• D)As the oxidation number on the metal increases, the valence-state electronegativity decreases and the oxides change from basic to acidic.
• E)None of these choices are correct.

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Definitions:

Straight-Line Method

A method of calculating depreciation and amortization, dividing the difference between an asset's cost and its salvage value by the number of years it is expected to be used.

Straight-Line Depreciation

A method of allocating the cost of a tangible asset over its useful life in equal annual amounts.

Net Income Attributable

The portion of net income (profit) that is available to the shareholders, after accounting for dividends to preferred stockholders and other adjustments.

Noncontrolling Interest

A stake in a company that is less than 50%, implying that the holder does not have control over the company's operations.