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How many periods and groups are th...

How many periods and groups are there in the modern periodic table ?

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7 periods , 18 groups
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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS -THE PERIODIC TABLE -CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION -I)
  1. z' indicates

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  2. Which property of an element is basis in the construction of ...

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  3. How many periods and groups are there in the modern periodic ...

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  4. Match it , {:("1)", "Vertical column ","a)","group"),("2)", "Horio...

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  5. Match it {:("a)s-subshell","1)6 electrons "),("b) p-sunshell ","2) ...

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  6. How many blocks are there in modern peridic table ?

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  7. ""(11)Na :1s ^(2) 2s^(2) 2p ^(6) 3s^(1) this element belongs t...

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  8. ""(21 ) Sc : 1s^(2 ) 2s ^(2) 2p ^(6) 3s^(2)3p ^(6 ) 4s ^(2) 3d^(...

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

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

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  11. match the above

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  12. Which statement is wrong ?

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

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  14. which block elements are called Lanthanoids / actinoids ?

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

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  16. Which block elements are called as transition metals ?

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

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  18. Give two example to semi conductors?

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  19. Which block contains metals only ?

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  20. TO which group Lanthanoids and actinides belongs ?

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