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The characteristic outer electronic conf...

The characteristic outer electronic configuration of alkaline earth metals is

A

`ns^1`

B

`ns^2`

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
The characteristic outer electronic configuration of alkaline earth metals is `ns^2`.
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DINESH PUBLICATION-ALKALI EARTH METALS-Revision Questions From Competitive Exams.
  1. Which one of the salts does not impart a colour to the flame or the fl...

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  2. The one which does not show variable valency is

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  3. The characteristic outer electronic configuration of alkaline earth me...

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  4. Lithophone used as white pigment is a mixture of

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  5. Alkaline earth metals form ions of the formula

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  6. Metals belonging to the same group in the periodic table are

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  7. The compounds of alkaline earth metals have the following magnetic nat...

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  8. A chloride dissolves appreciably in cold water. When placed on platinu...

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  9. Which of the following in incorrect?

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  10. Halides of alkaline earth metals form hydrates such as MgCl(2).6H(2)O,...

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  11. Which of the following substance can be used for drying neutral or bas...

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  12. Bleaching powder loses its power on keeping for a long time because

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  13. Among the alkaline earth metals, the element forming predominantly cov...

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  14. Plaster of Paris is used

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  15. Magnesium is an important component of which biomolecule occuring exte...

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  16. Which of the following is the smallest cation?

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  17. A metal X on heating in nitrogen gas gives Y,Y on treatment with H(2)O...

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  18. Formula of plaster of Paris is

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  19. The reaction of slaked lime with Cl2 gas gives

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  20. The nitride salt of Ca when treated with H2O gives

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