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What are the anomalies of the long form ...

What are the anomalies of the long form of periodic table?

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The long form of periodic table need clarification about the following:
(i) Position of hydrogen is not defined till now.
(ii) Lanthanides and actinides still find place in the bottom of the table.
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FULL MARKS-PERIODIC CLASSIFICATION OF ELEMENTS -Additional Questions(2 MARK QUESTIONS)
  1. Explain about the relationship between the atomic number of an element...

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  2. State modern periodic law.

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  3. What are the anomalies of the long form of periodic table?

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  4. Mention the names of the elements with atomic number 101 ,102,109 and ...

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  5. Write a note about the electronic configuration of elements in groups.

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  6. Give the name and electronic configuration of elements of 1^(st) group...

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  7. Write any two characteristic properties of alkali metals.

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  8. Write any two characteristic properties of alkaline earth metals.

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  9. Groups from 13 to 18 in the periodic table are called p-block elements...

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  10. Why noble gases do not show much of chemical reactivity?

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  11. Halogens and chalcogens have highly negative electron gain enthalpies....

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  12. What are d-block elements? Why are they called so?

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  13. Elements Zn, Cd and Hg with electronic configuration (n-1)d^(10) ns^(2...

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  14. Why Zn, Cd and Hg are considered as soft metals?

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  15. Why d- block elements are known as transition element ?

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  16. What are f-block elements? How many series are there? Why they are cal...

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  17. Give the general electronic configuration of lanthanides and actides?

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  18. What are lanthanides and actinides?

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  19. What are semi - metal ? Give example.

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  20. What are periodic properties ? Give example.

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