Write the reason behind the digonal relationship among element.

Explanation

### Step-by-Step Solution:

1. **Understanding the Periodic Table Layout**:
- The periodic table is organized in such a way that elements are grouped based on similar properties. Groups are vertical columns, and periods are horizontal rows.

2. **Identifying Diagonal Relationships**:
- Diagonal relationships occur between elements of group 1 and group 2 with elements of group 13 and group 14 respectively. For example, Lithium (Li) is diagonally related to Magnesium (Mg), and Beryllium (Be) is diagonally related to Aluminum (Al).

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