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Three alkaline earth metals with electro...

Three alkaline earth metals with electronic configuration

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CHETANA PUBLICATION-Periodic Classifications of ELements-EXAMPLE
  1. Three elements having 7 electrons in their outermost shell

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  2. Three elements which are metalloids

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  3. Three alkaline earth metals with electronic configuration

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  4. Two pairs of Dobereiner's traid.

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  5. The scientist who classified elements on the basis of atomic mass.

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  6. The scientist who classified elements on the basis of atomic number

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  7. The 3 elements which were predicted by Mendeleev for which the left bl...

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  8. Series of 14 elements placed below the periodic table having atomic no...

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  9. X,Y and Z are the elements of a Dobereiner's Traid. If the atomic mass...

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  10. Two elements X and Y have atomic number 12 and 16 respectively.Write t...

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  11. Identify dobereiner's traids from the following group of elements havi...

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  12. Identify dobereiner's traids from the following group of elements havi...

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  13. Identify dobereiner's traids from the following group of elements havi...

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  14. State the laws/ Define Newlands's Law of octaves:

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  15. State the laws/ Define Mendeleev's periodic law,

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  16. State the laws/ Define Moderns periodic Law,

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  17. State the laws/ Define Dobereiner's Traid

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  18. State the laws/ Define Periods are the horizontal rows of elements

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  19. State the laws/ Define Groups

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  20. State the laws/ Define Normal elements

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