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How d-block elements are classified?...

How d-block elements are classified?

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How can elements be classified?

Explain how the elements are classified into S. p .d and f- block elements in the periodic table and give the advantage of this kind of classification .

Explain how the elements are classified into s,p,d, and f - block elements in the periodic table and give the advantages of this kind of classification

Some statements are given below. Among them, the correct statement are a) All transition elements are d - block elements b) All d- block elements are transition elements c) Helium is a inert gas d) Aluminium is a respresentative element

s and p-block elements are called ___

The period in which s-block, p-block and d- block elements are present

Why are d-block elements called transition elements ?

The correct statement(s) from among the following is/are i) All the d and f-block elements are metals ii) All the d and f-block elements form coloured ions iii) All the d and f-block elements form paramagnetic ions

How are plants classified?

NCERT TELUGU-D-BlOCK ELEMENTS-SELF EVALUATION (ANSWER IN ONE OR TWO SENTENCES)
  1. What are "d"-block elements?

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  2. How d-block elements are classified?

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  3. Explain why d-block elements exhibit variable oxidation states?

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  4. Transition elements form complexes due to

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  5. Why does Mn(II) show maximum paramagnetic character among the bivalent...

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  6. Why Zn^(2+) salts are white while Ni^(2+) salts are coloured?

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  7. [Ti(H(2)O)(6)]^(3+) is coloured while [Sc(H(2)O)(6)]^(3+) is colourles...

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  8. A substance is found to have a magnetic moment of 3.9 BM. How many unp...

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  9. Explain why the melting and boiling points of Zn, Cd, Hg are low?

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  10. Explain why Mn^(2+) is more stable than Mn^(3+)?

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  11. Write two alloys of copper and their uses.

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  12. Write short notes on alumino thermic process?

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  13. Name the first and last element in the second transition series.

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  14. Name the lightest and the heaviest elements (in terms of density) amon...

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  15. Which of the following ions would form colourless complexes? Cu^(2+)...

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  16. What happens when KI solution is added to an aqueous solution of coppe...

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  17. What happens if the copper sulphate crystals taken into dry test tube ...

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  18. Discuss the extraction of copper from copper pyrites.

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  19. Name the ores of gold. Explain how it is extracted from its alluvial g...

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  20. List the ores of silver. How silver is extracted from Argentite?

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