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Who did experiments to calculate the...

Who did experiments to calculate the number of positive charges ( protons ) in the the atom by analysing the X - ray patters ?

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Moseley .
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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS -THE PERIODIC TABLE -CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION -I)
  1. Which block contains metals only ?

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  2. TO which group Lanthanoids and actinides belongs ?

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

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

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

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

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

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

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

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  10. How does the valency vary on going down a group ?

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  11. Which property of an element is defined as the distance from t...

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  12. By which units atomic radius is measured ?

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  13. 1 pm is how many metres ?

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  14. Match it . {:("a) Cu","(i) metallic radius "),("b) Cl","(ii) cov...

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  15. How is property of atomic radius is change from top bothom ...

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  16. Pick the correct reason to increasing atomic radius when we go ...

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  17. How does atomic radius of an element vary across a period fr...

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  18. In perioids , while going left to right atomic radii of the el...

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  19. Atomic radii of some elements in the periodic table are as give...

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  20. Which one between Na and Na^(+) would have more size ?

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