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Mendeleeffs eka - boron was named as af...

Mendeleeff`s eka - boron was named as _______ after its discovery :

A

Gallium

B

Germanium

C

Silicon

D

Scandium

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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE
  1. was the basis of the classifications proposed By Dobereiner , New...

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  2. The law of conservation of mass holds good for all of the following ex...

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  3. Mendeleeffs eka - boron was named as after its discovery :

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  4. Atomic weight =

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  5. The modern periodic table is organized on the basis of

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  6. "The law states hat the physical and chemical properties of the ...

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  7. The elements with similar outer shell configuration are placed in a

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  8. Number of vertical columns in the modern periodic table are (As per IU...

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  9. Periods are based on the present in an atom.

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  10. 4f elements are called

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  11. of an element was defined as combining power of an element with respec...

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  12. The atomic size in a group from top to bottom

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  13. In which units ionizations energy can be expressed ?

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  14. The minimum energy required to remove an election from the outer most ...

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  15. The energy required to remove an electron from unipositive ion is call...

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  16. The energy liberated when an electron is added to a netural gaseous at...

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  17. According to Mulliken, electronegativity =

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  18. Electronegativity values... along a period from left to right.

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  19. The number of sub-groups in each group of Mendeleeff's periodic table ...

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  20. Mendeleeff tried to explain similarities of elements in the same group...

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