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Manipal MET2021Chemistryd and f Block Elements

What is the characteristic valence shell configuration of coinage metals ?

Options

  1. An s^2 n p^6
  2. B(n-1) d^2 n s^2
  3. Cn d^9 n s^1
  4. D(n-1) d¹⁰ n s^1

Correct answer

D. (n-1) d¹⁰ n s^1

Step-by-step solution

Coinage metals are Cu , Ag and Au . They are transition metal and present in group II or IB. The valence shell configuration is (n-1) d¹⁰ n s^1 .

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