Which Configuration Describes the Electron Configuration of Iron

question 22

Multiple Choice

Which configuration describes the electron configuration of iron?

• A) [Ar] 4s²3d⁶
• B) [Ar] 4s²4p⁶
• C) [Kr]
• D) 1s²2s²2p⁶3d⁶

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Definitions:

Real Interest Rate

The interest rate adjusted for inflation, representing the real cost of borrowing or the real yield to lenders and investors.

Nominal Interest Rate

The interest rate before adjustments for inflation, as opposed to the real interest rate which is adjusted for inflation.

Equilibrium Interest Rate

The equilibrium interest rate is the rate at which the demand for funds equals the supply of funds in the financial markets, balancing savings and borrowing.