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Which one of the following atoms will ha...

Which one of the following atoms will have the smallest size ?

A

Mg

B

Na

C

Be

D

Li.

Text Solution

Verified by Experts

The correct Answer is:
C
Atomic sizes are in the order :
`Be(112 p m)ltLi(152 p m ) lt Mg (160 p m) lt Na(186 p m)`
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DINESH PUBLICATION-THE ALKALI METALS-RQ
  1. Among alkali metal salts, the lithium salts are the poore conductors o...

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

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  3. Which one of the following atoms will have the smallest size ?

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  4. The formula of nitre is

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  5. The process associated with sodium carbonate manufacture is known as

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  6. Baking powder has one of the following constituents

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  7. Which of the following alkali metal hydroxides is the strongest base ?

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  8. Compared with the alkaline earth metals, the alkali metals exhibit

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  9. Which of the following oxides is formed when potassium metal is burnt ...

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  10. Which of the following compounds has the lowest anion to cation size r...

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  11. Which of the following has the highest solubility product ?

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  12. The gas evolved on heating Na(2)CO(3) is

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  13. Which is manufactured by electrolysis of fused NaCl ?

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  14. Strongest bond is between

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  15. The properties of lithium are similar to those of Mg. This is because

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  16. Washing soda has formula

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  17. Potassium metal is commerically prepared by the reduction of molten KC...

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  18. Molten sodium chloride conducts electricity due to the presence of:

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  19. Which one is the highest melting halide ?

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  20. A solution of sodium metal in liquid ammonia is strongly reducing due ...

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