The valence shell electronic configuration of $Cr$ and $Cu$ atoms, respectively, are
- A$3 \ d^4 4 \ s^2 ; 3 \ d^{10} 4 \ s^1$
- B$3 \ d^5 4 \ s^1 ; 3 \ d^{10} 4 \ s^1$
- C$3 \ d^5 4 \ s^1 ; 3 \ d^9 4 \ s^2$
- D$3 \ d^4 4 \ s^2 ; 3 \ d^9 4 \ s^2$
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Similar Questions
Which of the following statements is correct regarding $d-$block elements?
Easy
View SolutionWhich of the following statements are correct about $Zn, Cd$ and $Hg$?
$A$. They exhibit high enthalpy of atomization as the d-subshell is full.
$B$. $Zn$ and $Cd$ do not show variable oxidation state while $Hg$ shows $+I$ and $+II$.
$C$. Compounds of $Zn, Cd$ and $Hg$ are paramagnetic in nature.
$D$. $Zn, Cd$ and $Hg$ are called soft metals.
Choose the most appropriate from the options given below:
$A$. They exhibit high enthalpy of atomization as the d-subshell is full.
$B$. $Zn$ and $Cd$ do not show variable oxidation state while $Hg$ shows $+I$ and $+II$.
$C$. Compounds of $Zn, Cd$ and $Hg$ are paramagnetic in nature.
$D$. $Zn, Cd$ and $Hg$ are called soft metals.
Choose the most appropriate from the options given below:
DifficultJEE MAIN 2024
View SolutionIdentify the correct order of atomic radii for the following $3d$ series elements.
Medium
View SolutionWhich of the following cations in their respective oxidation states develops a colorless aqueous solution?
The third ionization enthalpy is minimum for
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