The Actinoids (5f Series)D & F Block
Why is Actinoid Contraction greater than Lanthanoid?.
Expert Answer
5f electrons provide poorer shielding of nuclear charge than 4f electrons.
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Why are Zn, Cd, and Hg not considered transition elements?.
In the 3d series, which element has the lowest enthalpy of atomization and why?.
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Why do the atomic radii of the second (4d) and third (5d) transition series exhibit very similar values (e.g., Zr ≈ Hf)?.
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