Chemistry · Periodic Classification
The outer electronic configuration of coinage metals (Group 11 elements like Cu, Ag, Au) in their ground state is generalized as:
- 1(n-1)d6 ns1
- 2(n-1)p6 ns2
- 3(n-1)d10 ns1✓
- 4(n-1)d9 ns2
Correct answer
(n-1)d10 ns1
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