Transition elements show high melting points. Why?

Explanation

### Step-by-Step Solution:

1. **Understanding Transition Elements**:
Transition elements are defined as the d-block elements in the periodic table, which include elements from groups 3 to 12. They have partially filled d-orbitals.

**Hint**: Remember that transition elements are found in the d-block of the periodic table.

2. **General Electronic Configuration**:
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