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Q.

What is the characteristic valence shell electron configuration of 11th group metals?

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a

$(n - 1) d^{10} n s^{1}$

b

${ns}^{2} n p^{6}$

c

$(n - 1) d^{2} {ns}^{2}$

d

${nd}^{9} {ns}^{2}$

answer is D.

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Detailed Solution

Exceptionally 11th group elements show configuration of $(n - 1) d^{10} \cdot {ns}^{1}$ obtain full filled d-subshell

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