Transition elements show high melting points. Why?

Explanation

**Step-by-Step Solution:**

1. **Understanding Transition Elements**: Transition elements are the d-block elements in the periodic table, which include metals like iron, copper, and nickel. They are known for their unique properties, including high melting points.

2. **Metallic Bonding**: The melting point of a substance is significantly influenced by the strength of the bonds between its atoms. In metals, these bonds are known as metallic bonds, which arise from the attraction between positively charged metal ions and the delocalized electrons that are free to move throughout the structure.

3. **Electron Configuration**: Transition metals have a unique electron configuration where they have d electrons in addition to s electrons. The general electron configuration for transition metals can be represented as [noble gas] ns² (n-1)d⁴ to (n-1)d¹⁰.

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