`Be` and `Al` are placed in different periods and groups but they show the similar properties. Explain.

Explanation

To explain why Beryllium (Be) and Aluminium (Al) show similar properties despite being in different periods and groups, we can break it down into several steps:

### Step 1: Understanding the Position of Be and Al
- Beryllium (Be) is located in Group 2 (alkaline earth metals) and Period 2 of the periodic table.
- Aluminium (Al) is located in Group 13 (boron group) and Period 3.

### Step 2: Concept of Polarizing Power
- Polarizing power refers to the ability of a cation to distort the electron cloud of an anion.
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