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5. Each coinage metal has (A) Two electrons in the valence shell (B) Eight electrons in the penultimate shell (C) Eight electrons in the outermost shell (D) Eighteen electrons in their penultimate shell.

5.     Each coinage metal has


(A)        Two electrons in the valence shell


(B)        Eight electrons in the penultimate shell


(C)        Eight electrons in the outermost shell


 


(D)        Eighteen electrons in their penultimate shell.

Grade:11

1 Answers

Deepak Patra
askIITians Faculty 471 Points
8 years ago

Coinage metals are Co, Ag and Au 

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