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The noble gases are unreactive because...

The noble gases are unreactive because

A

they react with sodium

B

they have a full outer shell of electrons

C

they have a half-filled outer shell of electrons

D

they have large number of neutrons.

Text Solution

Verified by Experts

The correct Answer is:
B
Noble gases has stable configuration due to presence of 8 electrons in the valence shell. Other elements react by gaining or losing electrons to attain stable configuration of the nearest noble gas.
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MTG IIT JEE FOUNDATION-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise (Multiple Choice Questions Level-1)
  1. Which one of the following is the most electropositive element?

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  2. Which of the following combination of elements belong to the same grou...

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  3. Which of the following elements has three valence electrons?

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  4. Which of the following elements has highest electron gain enthalpy?

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  5. The atomic radius decreases as we move across a period because

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  6. Which statement is wrong about C and Si?

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  7. In the third period of the periodic table, the element having smallest...

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  8. Which of the following is the most non-metallic element?

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  9. The noble gases are unreactive because

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  10. Which of the following elements is a metalloid?

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  11. The atoms of elements belonging to the same group of periodic table ha...

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  12. In the periodic table, the metallic character of elements

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  13. which of the following statements does not apply to elements belonging...

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  14. Silicon is a metalloid because

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  15. Which of the following increases along the period?

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  16. An elements X has an atomic number of 16. With which of the following ...

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  17. The lightest metal is

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  18. In the periodic table, the element with atomic number 16 will be place...

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  19. In the given metals one with the smallest size is

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  20. Identify the statement/statements which are true for the long form of ...

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