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What is the atomicity of the following :...

What is the atomicity of the following : oxygen

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The variable oxidation states of transition elements due to the availability of both `(n-1)d` and ns electrons for bond formation, as the energies of Penultimate d-orbitals and ultimate s-orbitals are nearly same. The sum total of ns and unpaired `(n − 1) d` electrons determines the highest oxidation state shown by a transition elements.
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ACCURATE PUBLICATION-D & F BLOCK ELEMENTS -2 OR 5 MARKS QUESTIONS
  1. Name the elements represented by following symbols : Hg , Pb , Au , Ag...

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  2. What is atomicity ? Explain with two examples.

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  3. What is the atomicity of the following : oxygen

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  4. Explain why Cu(I) is diamagnetic while Cu(II) is paramagnetic in natur...

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  5. Transition metals have high melting points and boiling points. Why?

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  6. What is the atomicity of the following : ozone

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  7. What is the atomicity of the following : neon

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  8. What is the atomicity of the following : phosphorous

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  9. What is the atomicity of the following : sulphur

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  10. What is the atomicity of the following : sodium

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  11. What are lanthanoids ?

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  12. Why are Lanthanides called inner transition metals.

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  13. What are different oxidation states exhibited by lanthanoids ?

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  14. What is lanthanoid contraction ?

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

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  16. Why Zr and Hf exhibit similar properties ?

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

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

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

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

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