Transition elements exhibit variable valency because they release electrons from
A. ns orbitals
B. np orbitals
C. (n-1)d orbitals
D. (n-1)d & ns orbitals
Answer:C
Transition elements exhibit variable valency because they release electrons from
A. ns orbitals B. np orbitals C. (n-1)d orbitals D. (n-1)d & ns orbitals