The first member of the p-block elements differs from the remaining members of their corresponding groups due to :
small size and absence of d-orbitals
diagonal relationship with other elements
high ionisation enthalpy
difference in ability to form double and triple bonds
A
small size and absence of d-orbitals
B
difference in ability to form double and triple bonds
C
high ionisation enthalpy
D
diagonal relationship with other elements
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The correct option is A small size and absence of d-orbitals Answer:- (A) small size and absence of d-orbitals
Because of their smaller size and absence of d-orbitals the first member of p-block elements possess different properties from the remaining members of their corresponding group.
Thus, (A) is correct answer.
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