The atomic radius of $Ag$ is closest to
$Cu$
$Hg$
$Au$
$Ni$
Which of the following ionic species will impart colour to an aqueous solution
Explain why $Cu ^{+}$ ion is not stable in aqueous solutions?
For $d-$ block elements the first ionization potential is of the order
Which of the following is paramagnetic
Addition of non-metals like $B$ and $C$ to the interstitial sites of a transition metal results the metal