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Which of the following has highest ionization energy? (A) Cu (B) Ag (C) Au (D) All have same ionization energy



Which of the following has highest ionization energy? 


        (A)    Cu


        (B)    Ag


        (C)    Au


(D)    All have same ionization energy


Grade:11

2 Answers

Hrishant Goswami
343 Points
7 years ago

IP (ev) of Cu, Ag and Au are 7.72, 7.57 and 9.2 respectively.

 

        The unexpected behavior from Ag to Au is due to the fact that the atomic size of Ag and Au are the same white atomic number increases from 47 to 79.

 

king
39 Points
7 years ago
c.Au

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