A is the correct answer.
Explanation:
Be has anomalous characteristics. This is due to beryllium’s smaller atomic and ionic radii when compared to the other members of the group. It’s also because Be has a stronger electronegativity.
Which among the following elements of group-2 exhibits anomalous properties ? (A) Be (B) Mg (C) Ca (D) Ba
Which among the following elements of group-2 exhibits anomalous properties ? (A) Be (B) Mg (C) Ca (D) Ba