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The number of valence electrons present ...

The number of valence electrons present in noble gases is:

A

6

B

18

C

8

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
8
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S CHAND IIT JEE FOUNDATION-ATOMIC STRUCTURE-QUESTION BANK-20
  1. The valency of which of the elements is zero?

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  2. Which of the following statements is always correct?

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  3. The number of valence electrons present in noble gases is:

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  4. Oxygen has an atomic number of 8. Which of the following could form th...

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  5. An atom of element X contains 3 protons, 3 electrons and 4 neutrons: ...

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  6. An atom of element X contains 3 protons, 3 electrons and 4 neutrons: ...

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  7. An atom of element X contains 3 protons, 3 electrons and 4 neutrons: ...

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  8. An atom of element X contains 3 protons, 3 electrons and 4 neutrons: ...

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  9. An atom of element X contains 3 protons, 3 electrons and 4 neutrons: ...

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  10. An atom of element X contains 3 protons, 3 electrons and 4 neutrons: ...

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  11. An atom of element X contains 3 protons, 3 electrons and 4 neutrons: ...

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  12. Atomic models have been improved over the years. Arrange the following...

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  13. For an atomic number 20, the 20th electron will occupy

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  14. Members of which of the following have similar chemical properties?

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  15. The number of electrons in an element with atomic number X and mass nu...

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  16. The relative atomic masses of many elements are not whole numbers beca...

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  17. Atoms of which of the following have a valency equal to zero.

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  18. Calculate the number of electrons, protons and neutrons in sodium atom...

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  19. The nucleus of the atom of an element contains 17 protons and 18 neutr...

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  20. The atom of an element has 2 electrons in the M shell. What will be th...

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