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The D-And-f-Block Elements

Question

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How do the transition elements form interstitial compounds? State an industrial advantage of such occurrence.

Solution

They have voids in their crystal lattice. Therefore, small atoms like C, H, N can fit into.

It increases malleability and ductility and increases tensile strength e.g., steel is hard due to presence of trapped carbon in interstitial.

Some More Questions From The d-And-f-Block Elements Chapter

Explain why Cu⁺ ion is not stable in aqueous solutions?

Actinoid contraction is greater from element to element than lanthanoid contraction. Why?

On what ground can you say that scandium (Z = 21) is a transition element but zinc (Z = 30) is not?

The outer electronic configuration of copper is 3d¹⁰ 4s¹, yet it is considered transition element. Why?

Why the melting points of transition elements are high?

Why Zn, Cd and Hg are not regarded as transition elements?

Name the first element of 3rd transition series.

Though copper, silver and gold have completely filled sets of d-orbitals yet they are considered as transition metals. Why?

Why are transition elements so named?

Why are transition elements known as d-block elements?

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