Which, If Any, Is the Ground-State Electron Configuration for Ni²⁺

question 88

Multiple Choice

Which, if any, is the ground-state electron configuration for Ni²⁺

• A) [Ar]3d⁶ or 1s²2s²2p⁶3s²3p⁶3d⁶
• B) [Ar]3d⁷ or 1s²2s²2p⁶3s²3p⁶3d⁷
• C) [Ar]3d⁸ or 1s²2s²2p⁶3s²3p⁶3d⁸
• D) [Ar]3d⁹ or 1s²2s²2p⁶3s²3p⁶3d⁹
• E) None of the above

---

Definitions:

Operant Conditioning

A teaching method where the intensity of an action is altered through rewards or penalties.

Observational Learning

The process of acquiring skills, knowledge, or behavior by observing and modeling others.

Systematic Desensitization

A behavior therapy technique used to reduce phobia or anxiety through controlled exposure to the fear stimulus, paired with relaxation techniques.

Exposure Therapy

A psychological treatment designed to help individuals confront their fears by gradual and repeated exposure to the feared object or context without any danger.