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Which two element of the second period o...

Which two element of the second period of the periodic table have both positive and negative oxidation number ?

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MBD PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Which of the following electronic comfigurations has the lowest ionosa...

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  2. Name the elements of group IA of the periodic table .

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  3. Which two element of the second period of the periodic table have both...

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  4. Which of the following has the smallest size ?

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  5. Which halogen shows only one oxidation number in its compounds ?

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  6. Whiuch of the following elements has the lowest electronegativity ?

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  7. Which of the following elements has the highest ionisation potential ?

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  8. Arrange the following in order of increasing electronegativity: S, CL,...

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  9. Arrange the following in order of increasing size: Cl, Cl^+ , Cl^-

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  10. Name any two element from d-block in long form of periodic table .

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  11. Which of the following has largest size ?

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  12. Which of the following has the small size ?

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  13. Which of the following is a d-block element in the periodic table ?

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  14. Name an element which can belong bith to group IA and group VIIA of th...

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  15. How does the electron affinity of the elements present in a group chan...

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  16. From among the following elements choose one p-block element:

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  17. Which of the following is a 'p-' block element in the periodic table ?

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  18. How do atomic radii vary in a group of periodic table ?

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  19. How does ionisation energy vary in a group ?

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  20. From amongst the following electronic configuration, find out the alka...

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