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What is lanthanoid contraction ?...

What is lanthanoid contraction ?

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Lanthanoid contraction there is a regular decrease in the size of atoms and increasing atomic number.
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Explore conceptually related problems

What is Lanthanide contraction ? What is the cause and consequences of Lanthanide contraction ?

What is Actinoid contraction ? Explain it.

Does actinoids show actinoid contraction similar to lanthanoid contraction ?

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

Give an explanation for the following observation : The gradual decrease in size (actinoid contraction) from element to element is greater among the actinoids than that among the lanthanoids (lanthanoid contraction).

What are the main consequences of lanthanoid contraction ?

ACCURATE PUBLICATION-D & F BLOCK ELEMENTS -2 OR 5 MARKS QUESTIONS
  1. Why are Lanthanides called inner transition metals.

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  2. What are different oxidation states exhibited by lanthanoids ?

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  3. What is lanthanoid contraction ?

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  4. Why is La(OH)3 more basic than Lu(OH)3 ?

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  5. Why Zr and Hf exhibit similar properties ?

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  6. Write the formulas of ammonia . Also name the elements presents in the...

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  7. Write the formulas of methane . Also name the elements presents in th...

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  8. Write the formula of sulphur dioxide . Also name the elements presents...

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  9. Write the formula of ethanol . Also name the elements presents in them...

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  10. Write the formula of calcium carbonate . Also name the elements presen...

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  11. Transition metals form number of interstitial compounds. Explain.

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  12. A transition metal easily form alloys with other transition metals. Ex...

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  13. Transition elements and their compounds are found to be good catalysts...

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  14. Why transition element show coloured Ions ? Explain.

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  15. Give the preparation of Potassium dichromate ,K2Cr2O7.

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  16. Write the formula of ammonium hydroxide . Also name the elements pres...

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  17. Write the formula of sodium sulphate . Also name the elements presents...

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  18. Write the formula of carbon tetrachloride . Also name the elements pre...

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  19. Define Lanthanoid Contraction and also explain cause of Lanthanoid con...

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  20. Write the formula of potassium chloride . Also name the elements prese...

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