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Which of the following elements has the ...

Which of the following elements has the highest ionisation potential ?

A

Na

B

He

C

Ca

D

Mg

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Verified by Experts

The correct Answer is:
B
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MBD PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Which halogen shows only one oxidation number in its compounds ?

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  2. Whiuch of the following elements has the lowest electronegativity ?

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  3. Which of the following elements has the highest ionisation potential ?

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  4. Arrange the following in order of increasing electronegativity: S, CL,...

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  5. Arrange the following in order of increasing size: Cl, Cl^+ , Cl^-

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  6. Name any two element from d-block in long form of periodic table .

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  7. Which of the following has largest size ?

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  8. Which of the following has the small size ?

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  9. Which of the following is a d-block element in the periodic table ?

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  10. Name an element which can belong bith to group IA and group VIIA of th...

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  11. How does the electron affinity of the elements present in a group chan...

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  12. From among the following elements choose one p-block element:

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  13. Which of the following is a 'p-' block element in the periodic table ?

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  14. How do atomic radii vary in a group of periodic table ?

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  15. How does ionisation energy vary in a group ?

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  16. From amongst the following electronic configuration, find out the alka...

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  17. What happens to the atomic size of the element along a period ?

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  18. Which of the following elements has the smallest atomic size :

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  19. Which of the following elements has the highest electronegativity ?

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  20. Which is the most electronegative element in the periodic table ?

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