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Which of the following has the lowest el...

Which of the following has the lowest electron affinity ?

A

K

B

B

C

C

D

F

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The correct Answer is:
A
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MBD PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Write the electronic configuration of second element of group VI-A of ...

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  2. Between lithium and sodium which is more electropositive ?

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

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

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

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

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  7. Which of the following has largest size ?

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  8. Name any two elements of IVA of periodic table.

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  9. Name any two elements of IVA of periodic table.

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  10. Which of the following has the smallest size ?

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  11. How does electronegativity vary in a group and period ?

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  12. What is oxidation number ?

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  13. How many atoms of fluorine are there in 1.9 xx 10^(-6) gms of fluroine...

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  14. Why Mg^(2+) ion is smaller than O^(2-) althrough both have the same el...

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  15. Why ionosation energy of magnesium is greater than aluminium ?

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  16. Why electron affinity of Be is zero ?

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  17. What are sigma and pi-bond's ? What is the bond angle and shape of the...

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  18. Why electron affinity of nitrogen is zero.

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  19. What is the sum of the oxidation number of all the atoms in a neutral ...

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  20. Explain with reason : Alkali metals do not form dipositive ions.

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