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The valence shell electronic configur...

The valence shell electronic configuration of `Rb` is __________.

A

`3s^(1)`

B

`4s^(1)`

C

`5s^(1)`

D

`7s^(1)`

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-S-BLOCK ELEMENTS-QUESTION
  1. On prolonged exposure to air, sodium finally change to :

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  2. LiAlH(4) is used as .

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  3. The valence shell electronic configuration of Rb is .

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  4. The valence shell electronic configuration of alkali metals is

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  5. Which of the following does not illustrate the anomalous properties of...

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  6. Lithium shows similarities to magnesium in its chemical behaviour beca...

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  7. Alkali metals lose electrons in .

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  8. Which one of the following properties of alkali metals increases in ma...

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  9. Which of the following properties is not true for an alkali metal ?

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  10. When sodium is heated with moist air, then the product obtained is

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  11. Which one of the alkali metals forms only the normal oxide, M(2)O, on ...

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  12. Potassium is kept in

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  13. The alkali metal that reacts with nitrogen directly to form nitride is

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  14. Which of the following reacts with water with high rate ?

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  15. The alkali metals form salt like hydrides by the direct synthesis at e...

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  16. The commerical producation of sodium carbonate is done by .

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  17. Sodium carbonate is manufactured by Solvay process, the products that ...

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  18. Na(2)CO(3) can be manufactured by Solva's process but K(2)CO(3) cannot...

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  19. Washing soda is

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  20. When sodium chloride solution is electrolysed , the gas that is l...

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