NCERT · Class 11 · Chemistry · Classification of Elements and Periodicity in PropertiesThe general valence shell electronic configuration of d-block elements is:
Step-by-Step Solution
The general electronic configuration of d-block elements is $(n-1)d^{1-10} ns^{1-2}$, where $(n-1)$ represents the penultimate shell.
Detailed Options Breakdown
Option : $(n-1)d^{1-10} ns^{1-2}$ (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: $(n-1)d^{1-10} ns^0$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Classification of Elements and Periodicity in Properties.
Option 2: $ns^2 np^{1-6}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Classification of Elements and Periodicity in Properties.
Option 3: $(n-2)f^{1-14} (n-1)d^{0-1} ns^2$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Classification of Elements and Periodicity in Properties.
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