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Which of the following is incorrect expl...

Which of the following is incorrect explanation about Mendeleef's periodic law ?

A

Mendeleef arraged elements in horizontal rows only

B

Mendeleef arranged elements with increasing atomic weight

C

Mendeleef's system of classifying elements was more elaborate than of Lother

D

Both (a) and (b)

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Mendeleef arranged elements in horizontal rows and vertical columns of a table in increasing order to their atomic weights.
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BITSAT GUIDE-PERIODIC PROPERTIES-Practice Exercise
  1. Lother Meyer plotted the physical properties such as atomic volume, me...

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  2. Lother Meyer drew a graph showing the relation between

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  3. Which of the following is incorrect explanation about Mendeleef's peri...

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  4. Which basic concept was used by Mendeleef for organishing the elements...

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  5. Which element was named as eka-silicon in Mendeleef classification of ...

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  6. The statement that is not correct for the periodic classification of e...

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  7. The period number in the long form of the periodic table is equal to

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  8. Which of the following is incorrect ?

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  9. Match the Column I with Column II and select the correct answer by giv...

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  10. Observe the following statements, I. The physical and chemical prope...

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  11. There are 10 neutrons in the nucleus of the element (Z)M^(19) . It bel...

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  12. The third alkaline earth metal ion contains number of electrons and pr...

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  13. A metal having electronic configuration 1s^(2), 2s^(2)2p^(6), 3s^(2)...

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  14. Which of the following orbitals are in the process of filling in the 6...

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  15. The configuration to second excited state of the element is (O) electr...

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  16. The element having atomic number 33 lies in the group

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  17. General configuration of outermost and penultimate shell is (n - 1) s^...

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  18. Generally, the valency of noble gases is

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  19. The least stable ion among the following is

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  20. The electronic configuration of an element is 1s^(2),2s^(2),2p^(6),3s^...

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