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Medeleeff corrected the atomic weight of...

Medeleeff corrected the atomic weight of :

A

Be

B

In

C

Os

D

All of these

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The correct Answer is:
D
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Mendeleff corrected the atomic weight of

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NARAYNA-PERIODIC TABLE -All Questions
  1. In the modern periodic table, elements are arranged in order of increa...

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  2. In the modern periodic table, elements are arranged in order of increa...

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  3. Medeleeff corrected the atomic weight of :

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  4. Zero group was introduced by

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  5. According to Mendeleef's periodic law, the properties of elements are ...

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  6. Total number of ground in Mendeleef's table

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  7. In Mendeleef table, the triad of VIII group is

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  8. Number of short periods in Mendeleef table

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  9. The properties of the following elements were predicted by Mendeleeff ...

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  10. The number of elements known when Mendeleef presented periodic table i...

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  11. The element 'Sc' is known long back as

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  12. Which of the following is not an anamalous pair?

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  13. The number of periods in the long from of periodic table is

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  14. The total number of gaseous elements are

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  15. Which of the following remains unchanged in descending in a group in t...

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  16. In a period, elements are arranged in strict sequence of

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  17. Which of the following is not a representative element

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  18. The inert gas present in the second long period is

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  19. Mono atomic element among the following is

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  20. Which one of the following pairs of atomic numbers, represents element...

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