9
7 1
Element
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Table 4 2: Electronic Configurations and some other Properties of
the First Series of Transition Elements
Rationalised 2023-24
95
The d- and f- Block Elements
Why do the transition elements exhibit higher enthalpies of
atomisation Because of large number of unpaired electrons in their atoms they
have stronger interatomic interaction and hence stronger bonding
between atoms resulting in higher enthalpies of atomisation