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In a given period, the alkali metals hav...

In a given period, the alkali metals have:

A

smallest atomic size

B

lowest ionisationenthalpy

C

lowest density

D

highest negative elecrton gain enthalpy.

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The correct Answer is:
B
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MODERN PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-MULTIPLE CHOICE QUESTIONS (LEVEL -II)
  1. The minimum ionisation enthalpy from the isoelectric species Ca^(2+), ...

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  2. Which of the following electronic configurations corresponds to elemen...

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  3. In a given period, the alkali metals have:

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  4. The electronic configuration of an atom X is 1s^(2)2s^(2)2p^(6)3p^(6)3...

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  5. In any group of the periodic table, atomic size and ionisation energy ...

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  6. The ionisation enthalpy of nitrogen is larger than that of oxygen beca...

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  7. The correct order of first ionisation enthalpy of carbon,nitrogen,oxyg...

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  8. The electronegativity of the following elements increases in the order...

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  9. The atom having the outer electronic configuration 4s^(2)4p^(2)would b...

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  10. The statement that is not correct for periodic classification of eleme...

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  11. Amongst the following elements (whose electronic configurations are gi...

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  12. The element of 4th period of the periodic table having maximum magneti...

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  13. The outermost electronic configuration of the most electronegative ele...

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  14. The maximum tendency to form the uni positive ion is for the element w...

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  15. The first ionisation enthalpy (in kJ/mol) of Be, B and C atoms are res...

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  16. Which of the following configurations is associated with biggest jump ...

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  17. Which of the following metals requires radiation of highest frequency ...

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  18. The element with electronic configuration 1s^(2)2s^(2)2p^(6)3s^(2)3d...

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  19. Which of the following values in electron volt per atom represent the ...

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  20. Transition metals lie in the periodic table between groups

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