Beryllium and Aluminium have similar properties because they
- are both metals
- belong to the same group
- belong to the same period
-
are positioned diagonally to each other
The correct answer is: D
Explanation
Beryllium and Aluminium exhibit similar properties because of their diagonal relationship on the periodic table, meaning they are positioned diagonally to each other, resulting in comparable atomic sizes, electronegativity, and a tendency to form covalent compounds, despite being in different periods and groups.
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