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Which of the following is Radioactive el...

Which of the following is Radioactive element

A

`Ra`

B

`Ba`

C

`Cs`

D

`Sr`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-ALKALINE EARTH METALS-OBJECTIVE EXERCISE - 1 (GENERAL)
  1. The most abundant element among the following is

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  2. Which of the following is thermally more stable

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  3. Which of the following is Radioactive element

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  4. (A) : Among alkaline earths, Beryllium has only covalent halides. (R...

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  5. Beryllium resembles the following element more than the members of its...

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  6. From Be to Ba electropositive or metallic character

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  7. Which has a strong reducing character among the following

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  8. Among the following amphoteric oxide is

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  9. The correct order of polarising ability of cations of Alkaline earth m...

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  10. Beryllium differs from other alkaline earth metals because of

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  11. Which of the following is a true peroxide

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  12. Which oxide is more basic among the following

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  13. Which is more soluble among the following

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  14. The most basic hydroxide among the following is

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  15. The covalent halide among the following is

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  16. Tonic nature of group 2 hydrides is

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  17. The halide that is highly soluble in H(2)O among the following is

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  18. MgCl(2).XH(2)O, CaCl(2).YH(2)O and BaCl(2).Z H(2)O. The values of X, Y...

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  19. Which of the following is more soluble in ether?

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  20. (A): Oxides of II A group elements are stable (R) : Oxides of IIA gr...

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