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

---

Definitions:

Utilitarianism

An ethical theory that proposes actions are right if they are useful or for the benefit of a majority.

Risk-Benefit Analysis

The assessment of potential risks and benefits associated with a medical treatment or intervention to make informed decisions.

Cost

The amount of money required to purchase, maintain, or operate something.

Inoperable Brain Tumor

A brain tumor that cannot be surgically removed, often because of its location or the patient's health status.