CUET Preparation Today
Which of the following is not an alkaline earth metal? |
beryllium boron aluminium calcium |
beryllium |
The correct answer is option 1. beryllium. Beryllium is a member of group 2. Because beryllium, the first element in this group, differs from the other members and exhibits a diagonal relationship with aluminum, it is not referred to as an alkaline earth metal. |
