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Identify metalloids ....

Identify metalloids .

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Al ,Si
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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS -THE PERIODIC TABLE -CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION -I)
  1. Who assigned electronegativity values for elements on the basis...

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  2. Match the electronegativity values .

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  3. which is the most electronegative element ?

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  4. which stable element shows least electronegativity ?

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  5. In compounds , they generally show a tendency to remain as posi...

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  6. give example to good electropositive elements .

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  7. A ) Non -metals are generally more electronegatinve R ) Electro...

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  8. 1) 3^(rd ) period : Na , Mg ,Al,Si,P ,S,cl 2) Metallic charac...

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  9. Identify non- metals .

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  10. Identify metalloids .

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  11. Write any two properties which are decreased from top to bott...

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  12. Write any two properties which are decreasesed from left to r...

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  13. A: 1S^(2) 2S^(2) B: 1s^(2) 2s^(2) 2p^(6) 3^(2) To which ...

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  14. A: 1S^(2) 2S^(2) B: 1s^(2) 2s^(2) 2p^(6) 3^(2) To which ...

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  15. A: 1S^(2) 2S^(2) B: 1s^(2) 2s^(2) 2p^(6) 3^(2) what is th...

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  16. Guess and write any one element would it be chemically simila...

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  17. An element X belongs to 3 rd period and Group 2 of the per...

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  18. Guess the element which is surrounded by oxygen , chlorine phosh...

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  19. Name two elements that you would expect to have chemical prope...

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  20. Write the most active metal in the 1 ^(st ) group .

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