Which of the following elements are not regar | vedclass

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(A) Transition elements are defined as elements that have partially filled $(n-1)d$ orbitals in their ground state or in any of their common oxidation

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$Zn, Cd, Hg$

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(A) Transition elements are defined as elements that have partially filled $(n-1)d$ orbitals in their ground state or in any of their common oxidation states. $Zn$,$Cd$,and $Hg$ have a $d^{10}$ configuration in their ground state and also in their common $+2$ oxidation state. Since they do not have partially filled $d$-orbitals,they are not considered transition elements. $Cu$ and $Ag$ are considered transition elements because they exhibit a $d^9$ configuration in their $+2$ oxidation state. Electronic configurations: $Zn: [Ar] 3d^{10} 4s^2$ $Cd: [Kr] 4d^{10} 5s^2$ $Hg: [Xe] 4f^{14} 5d^{10} 6s^2$

Which of the following elements are not regarded as transition elements?

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