Which Ion Shown Below Does Not Exist

question 52

Multiple Choice

Which ion shown below does not exist?

• A)Y⁴⁺
• B)Y²⁺
• C)Y⁺
• D)Zr⁴⁺
• E)Nb³⁺

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Definitions:

Straight-Line Depreciation

A method of calculating the depreciation of an asset that allocates an equal amount of depreciation each year over the asset's useful life.

Cash Expenses

Outlays of cash during a given period for direct charges such as wages, rent, and utilities.

Net Present Value (NPV)

The gap between the current value of cash entering and the current value of cash exiting over a timeframe, employed in investment planning to evaluate the profitability of projects.