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The valence shell electronic configurati...

The valence shell electronic configuration of alkali metals is

A

`ns^(2)np^(1)`

B

`ns^(1)`

C

`(n-1)p^(6)ns^(2)`

D

`(n-1)d^(2)ns^(2)`

Text Solution

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The correct Answer is:
B
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Alkali metals)
  1. Which of the following does not illustrate the anomalous properties of...

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  2. Which of the following has density greater than water?

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  3. The valence shell electronic configuration of alkali metals is

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  4. The strongest reducing agent is

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  5. One of the following salts will give an alkaline solution on dissolvin...

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  6. The most electropositive element in alkali metals is .

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  7. Composition of borax (Tincal) is

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  8. Which of the following is formed when CO(2) gas is passed through an a...

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  9. Sodium hydride (NaH) when dissolved in water, produces

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  10. Which one of the following salts gives aqueous solution which is weakl...

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  11. Sn is dissolved in excess of NaOH solution, the compound obtained is

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  12. The word 'alkali' is used for alkali metals indicates

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  13. Potassium nitrate is called

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  14. Which of the following is most reducing agent

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  15. Which of the following has smaller size

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  16. Sodium pyrophosphate is represented by which of the following formula

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  17. Based on lattice energy and other considerations which one of the foll...

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  18. Which of the following is the most electropositivite element?

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  19. Which of the following carbonate decompose on heating to evolve CO(2)?

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

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