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From amongst the following electronic co...

From amongst the following electronic configuration, find out the alkaline earth element.
`[Ar]4s^2`
`[Ar]3d^5 4s^2`
`[Ar]3d^10 4s^2`

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MBD PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. How do atomic radii vary in a group of periodic table ?

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  2. How does ionisation energy vary in a group ?

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

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

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

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

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

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

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  9. Name any two elements of Group IIA of the periodic table.

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

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  11. Name any two elements of group IIA of periodic table.

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  12. Which of the following has the lowest atomic volume ?

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  13. Which of the following is a 'd' block element ?

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  14. Which of the following has the largest size ?

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  15. Write the electronic configuration of second element of group VI-A of ...

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  16. Between lithium and sodium which is more electropositive ?

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  17. Which of the following has the lowest electron affinity ?

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  18. Name two elements of Group VA of periodic table.

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  19. Out of the atomic numbers given below suggest which one of the follow...

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  20. Name the element present in group IIA of thethird period of the period...

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