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What is general outershell electroni...

What is general outershell electronic configuration of Halogen family elements

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`ns^(2) np ^(5)`
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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS -THE PERIODIC TABLE -CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION -I)
  1. ""(21 ) Sc : 1s^(2 ) 2s ^(2) 2p ^(6) 3s^(2)3p ^(6 ) 4s ^(2) 3d^(...

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  2. What is the general outersheell electronic configuration of alkal...

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  3. What is general outershell electronic configuration of Halogen ...

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  4. match the above

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  5. Which statement is wrong ?

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  6. How many elements are there in first period in the periodic tab...

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  7. which block elements are called Lanthanoids / actinoids ?

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  8. match it {:("a)",""(58)Ce-""(71)Lu,"i) Actinoids "),("b)",""(90) ...

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  9. Which block elements are called as transition metals ?

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  10. Which block elements are called the inner transition elements ?

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  11. Give two example to semi conductors?

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  12. Which block contains metals only ?

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  13. TO which group Lanthanoids and actinides belongs ?

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  14. Who did experiments to calculate the number of positive charges ...

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  15. A: Elements along a period possess different chemical properties...

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  16. Which property of an element is called as combining power of it...

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  17. In NaH , what is the valency of 'Na' ?

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  18. In CaO, what is the valency of 'Ca' ?

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  19. What is the valency of an element if that element is in the g...

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  20. What are the valencies of 1^(st) and least elements of every pe...

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