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In which units ionizations energy ...

In which units ionizations energy can be expressed ?

A

J/m

B

K.J. mol

C

J.mol

D

`KJ.mol^-1`

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BEYOND PUBLICATION-CLASSIFICATION OF ELEMENTS THE PERIODIC TABLE-EXERCISE
  1. 4f elements are called

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  2. The atomic radius of Cl than Cl^- atom.

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  3. In which units ionizations energy can be expressed ?

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  4. Metals are at side of the periodic table.

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  5. …………elements were discovered up to 1865.

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  6. Newlands octaves first element resembles

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  7. Vertical clumns of Mendeleeff are called

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

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  9. ………….,………are anomalous pair of elements in Mendeleeff's periodic table...

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  10. Modern periodic table consists of periods and groups.

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  11. 1st period contains……….elements.

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  12. The elements with three or less than three electrons in the outer shel...

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  13. The elements which have properties that are intermediate between the p...

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

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  15. Atomic radii of elements…….across a period from left to right.

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  16. The relative tendency of its atom to attract electrons towards it when...

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  17. The metallic character while non metallic character along a period.

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  18. Si and Ge are

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  19. Which pair of elements belongs to the same group ? (atomic numbers are...

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  20. O2-2 is isoelectronic with

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