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Why do Zr and Hf exhibit similar propert...

Why do Zr and Hf exhibit similar properties?

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### Step-by-Step Solution: 1. **Understanding the Elements**: - Zirconium (Zr) and Hafnium (Hf) are both transition metals found in Group 4 of the periodic table. Zr is in the 5th period, while Hf is in the 6th period. **Hint**: Identify the position of the elements in the periodic table to understand their similarities. 2. **Lanthanide Contraction**: ...
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