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4f elements are called...

`4f` elements are called ______________

A

s-block

B

transition

C

inner transition

D

inert gases

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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE
  1. Number of vertical columns in the modern periodic table are (As per IU...

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

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  3. 4f elements are called

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

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

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  6. In which units ionizations energy can be expressed ?

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

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

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

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  10. According to Mulliken, electronegativity =

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

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

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

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  14. Eka silicon is now known as

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  15. Eka means

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  16. The anomalous series of elements of mendeleev's periodic table ...

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  17. The number of positive charges in the atom of an element is the of th...

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  18. The group elements are also called as

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  19. Elements from ^(58)Ce to ^(71)Lu are called

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  20. Elements from 90Th tto103Lr are called

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