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State the chemical symbols for the follo...

State the chemical symbols for the following elements : sodium , potassium , iron, copper , mercury , silver.

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This is because of gradual increase in the value of ionisation enthalpies which make the participation of electrons become difficult.
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ACCURATE PUBLICATION-D & F BLOCK ELEMENTS -1 OR 2 MARK QUESTIONS
  1. Which of the following are d-block elements but not regarded as transi...

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  2. Why do the transition metals componds are coloured ?

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  3. State the chemical symbols for the following elements : sodium , potas...

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  4. Name any three coinage metals ? Are these transition metals ?

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  5. Which of the following is not a d-block element?

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  6. Zn and Cd are not normally considered as transition metals. Why ?

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  7. Why do transition elements show similarities along the horizontal peri...

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  8. Name a transition element which does not exhibit variable oxidation st...

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  9. Write the highest oxidation state of elements with atomic number 23 ?

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  10. Which electrons loose an iron atom in forming Fe (II) ions ?

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  11. What is the maximum oxidation state shown by Manganese in its compound...

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  12. What is the oxidation state of Cr in K2Cr2O7?

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  13. Why +3 oxidation state of Fe (Z = 26) is more stable than its +2 oxida...

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  14. How many are the number of unpaired electron in ferrous ion ?

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  15. What is the cause of Paramagnetism of compounds of transition elements...

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  16. Name two alloys of copper?

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  17. Why does Vanadium Pentaoxide act as a catalyst?

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  18. Name the catalyst of Vanadium used for oxidation of SO2 to SO3 in cont...

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  19. Why Cr is used for electroplating iron ?

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  20. Draw the structure of chromate ion.

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