Q. Beryllium and aluminium exhibit many properties which are similar. But, the two elements differ in
A) Exhibiting maximum covalency in compounds
B) Forming polymeric hydrides
C) Forming covalent halides
D) Exhibiting amphoteric nature in their oxides
Explanation
(a)
Be $(Z = 4)$ has maximum covalency of 4 while $Al(Z = 13)$ has maximum covalency of 6.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.