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The number of period that the modern per...


The number of period that the modern periodic table has

A

Seven

B

Eight

C

Seventeen

D

Eighteen

Text Solution

Verified by Experts

The correct Answer is:
A
There are seven horizontal rows in the modern periodic table. These rows are called periods.
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OSWAL PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -CASE - BASED MCQs
  1. Mendeleev was a Russian chemist, who contributed the most for the deve...

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  2. Mendeleev was a Russian chemist, who contributed the most for the deve...

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  3. Mendeleev was a Russian chemist, who contributed the most for the deve...

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  4. Mendeleev was a Russian chemist, who contributed the most for the deve...

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  5. Mendeleev was a Russian chemist, who contributed the most for the deve...

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  6. Which of these elements have smallest atomic size?

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  7. Write valency of element E.

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  8. Identify the elements which have similar chemical properties as the el...

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  9. The number of period that the modern periodic table has

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  10. Which of them will have largest atomic radii:

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  11. Atoms of eight elements A, B, C, D, E, F, G and H have the same number...

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  12. Atoms of eight elements A, B, C, D, E, F, G and H have the same number...

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  13. Atoms of eight elements A, B, C, D, E, F, G and H have the same number...

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  14. Atoms of eight elements A, B, C, D, E, F, G and H have the same number...

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  15. Atoms of eight elements A, B, C, D, E, F, G and H have the same number...

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  16. Which is the most reactive metal ?

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  17. Name the family of fluorine Q, R, T:

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  18. Which of the following element belongs to group 2?

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  19. Which other element is likely to present in the group in which fluori...

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  20. Name the element P placed below Carbon in group 14:

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