In the series $Sc(Z = 21)$ to $Zn(Z = 30)$ , the enthalpy of atomization of _____ is the lowest
$Sc$
$Cr$
$Mn$
$Zn$
Out of $Cu_2Cl_2$ and $CuCl_2$, which is more stable and why ?
The aqueous solution of transition metal salt changes colour from pink to blue, when concentrated hydrochloric acid is added to it. The change In colour is due to
The oxoanion in which the oxidation state of the central atom is same as its group number in the periodic table is
Stainless steel does not rust because
Identify incorrect statement