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Anamalous pair in Mendeleef's table is...

Anamalous pair in Mendeleef's table is

A

Li, Na

B

Mg, Al

C

Co, Ni

D

Be, B

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The correct Answer is:
C
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NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -C.U.Q
  1. Considering the chemical properties, atomic weight of Be was corrected...

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  2. Mendeleev corrected the atomic weight of :

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  3. Anamalous pair in Mendeleef's table is

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  4. Eka silicon is now called as

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  5. The atomic weights of "Be" and "In" were correctly by Mendeleef using ...

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  6. The plot of sqrt(v) vs Z is

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  7. The longest and shortest periods are

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  8. The number of elements present in the fourth period is

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  9. The general electronic configuration elements of carbon family

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  10. The strong element of fifth period is

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  11. Which of these does not reflect the periodicity of the elements.

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  12. The atomicity of noble gases is

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  13. The element with atomic numbers 19 is

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  14. Which of the following pair of atomic numbers represents s-block eleme...

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  15. The element with electron configuration 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)...

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  16. The element with ns^(2)np^(4) as outer electron configuration is a

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  17. If the differentiating electron enters (n-1) d-sublevel. The element i...

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  18. Atoms with three of their outer most orbits incompletety filled with e...

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  19. The name of the element with atomic number 100 was adopted in honour o...

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  20. Inner transition elements exhibit different coloured compounds on acco...

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