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Which noble gas is radioactive?...

Which noble gas is radioactive?

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Radon
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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(VERY SHORT ANSWER QUESTIONS)
  1. Why a dilute aqueous solution of hydrochloric acid cannot be concentra...

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  2. Why do noble gases exist as monoatomic ?

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  3. Which noble gas is radioactive?

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  4. Xe readily forms compounds but Kr does not form compounds easily. Why?

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  5. Why helium and neon not form any compounds?

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  6. How does xenon atom form compounds with fluorine even though the xenon...

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  7. Why do noble gases form compounds with fluorine and oxygen only.

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  8. What are clathrate compounds of noble gases?

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  9. Which one of the following does not exist ? (i) XeOF4 (ii) NeF2 (...

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  10. Why do noble gases have comparatively large atomic sizes?

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  11. Which is the most abundant noble gas ?

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  12. Why do members of the noble gas family have low boiling points ?

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  13. Why is OF6 compound not known?

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  14. Why is NF6 compound not known?

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  15. Why are fluorine and oxygen compounds called oxygen fluorides?

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  16. Nitrogen does not form pentahalides. Give reason.

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  17. Noble gases are mostly chemically inert. Give reason.

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  18. Complete and balance the chemical equation: BrO(3)^(-)+ F2 + OH^(-) ...

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  19. Draw the structure of xenon oxyfluoride which is isoelectronic with IF...

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  20. Fluorine provides the largest variety of interhalogen compounds among ...

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