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The longest and shortest periods are...

The longest and shortest periods are

A

1 & 6

B

2 & 6

C

6 & 1

D

1 & 7

Text Solution

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The correct Answer is:
C
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NARAYNA-PERIODIC TABLE -All Questions
  1. The atomic weights of "Be" and "In" were correctly by Mendeleef using ...

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

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  3. The longest and shortest periods are

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

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  5. The general electronic configuration elements of carbon family

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  6. The straing element of fifth period is

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

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  8. The atomicity of noble gases is

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  9. The element with atomic numbers 19 is

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  10. Which pair of atomic numbers represent s-block elements?

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

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

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

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

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

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

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  17. The total numbers of elements in the Group 11 is

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  18. The atomic numbers of elements of second transition series lie in the ...

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  19. Atomic number of next inert gas to be discovered will be

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  20. The element with atomic number 12 belongs to.........Group and...........

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