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Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.
`""_(4)Be, ""_(6)C, ""_(8)O, ""_(5)B, ""_(13)Al`
Which is the most electropositive element among these?

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BAL BHARTI-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
  1. Write down the electronic configuration of the following elements from...

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  2. Write down the electronic configuration of the following elements from...

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  3. Write down the electronic configuration of the following elements from...

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  4. Write down the electronic configuration of the following elements from...

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  5. Write down the electronic configuration of the following elements from...

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  6. Write down the electronic configuration of the following elements from...

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  7. Write down the electronic configuration of the following elements from...

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  8. The atom having the smallest size.

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  9. The atom having the smallest atomic mass .

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  10. Write the name and symbol of the element from the description. The m...

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  11. The noble gas with the smallest atomic radius

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  12. Write the name and symbol of the element from the description. The m...

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  13. Write a short note on: Mendeleev's periodic law

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  14. Write a short note on: Structure of the Modern periodic table

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  15. Write a short note on: Position of isotpes in the Mendeleev's and t...

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  16. Atomic radius goes on decreasing while going from left to right in a p...

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  17. Give scientific reasons : Metallic character goes on decreassing wh...

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  18. Give scientific reasons : Atomic radius goes on increasing down a g...

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  19. Give scientific reasons : Elements belonging to the same group have...

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  20. Give scientific reasons : The third period contains only eight elem...

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