Which of the following pair of transitional elements exhibit highest and lowest density
$Os$ and $Sc$
$Os$ and $Pt$
$Hg$ and $Sc$
$Os$ and $Ir$
Ionisation potential values of $d-$ block elements as compared to ionization potential value of $ f-$ block elements are
Reactivity of transition elements decreases almost regularly from $Sc$ to $Cu$. Explain.
Explain the variations in atomic radii of transition elements along the period.
Out of $Cu_2Cl_2$ and $CuCl_2$, which is more stable and why ?
Which of the following is correct