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Which of the following electronic config...

Which of the following electronic configuration represents the most metallic element ?

A

`[He] 2s^(1)`

B

`[Ne] 3s^(1)`

C

`[Ar] 4s^(1)`

D

`[Kr] 5s^(1)`

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH INSTITUTE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-Assignment (Section -A)
  1. What are representative elements?

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  2. Which group of elements represents a collection of isoelectronic speci...

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  3. Which of the following electronic configuration represents the most me...

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  4. The group of elements in which the last electron is present the anti-p...

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  5. Which general electronic configuration of the element does not represe...

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  6. Find the incorrect statement.

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  7. The effective nuclear charge across the period (from left to right)

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  8. Which electronic configuration of an element has abnormally high diffe...

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  9. Which of the following has the highest negative electron gain entahlpy...

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

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  11. Match the elements given in column (I) with the most appropriat expect...

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  12. Electronegativity of the elements O,F,S and Cl increases in the order

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  13. Valence electrons in the atom of element A is 4 and in the element B i...

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  14. Which orbital diagram gives an insight ionization energy ?

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  15. The largest atomic radius will be of

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  16. The order of increasing atomic radii is

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  17. Highest amount of energy will be required for the removal of electron ...

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  18. Arrangement of atoms according to their increasing ionization energy i...

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  19. Pick the incorrect statement about the factors affecting ionization en...

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  20. What will be the correct order of size for the given elements ?

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