What Is the Ground-State Electron Configuration for the Element Cobalt

question 149

Multiple Choice

What is the ground-state electron configuration for the element cobalt (Z = 27) ?

• A)[Ar] 4s² 3d⁷
• B)[Ar] 3d⁹
• C)[Ar] 4s² 4p⁶ 5s¹
• D)[Ar] 3d⁷

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Definitions:

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Sigmund Freud, an Austrian neurologist and the founder of psychoanalysis, known for his theories of the unconscious mind and the development of psychosexual stages.

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