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Which group of elements represents a col...

Which group of elements represents a collection of isoelectronic species ?

A

`Al^(3+), Si^(4-), S^(2-)`

B

`Ca^(2+), Sc^(3+), Cl^(+)`

C

`N^(3-), F^(-), O^(-)`

D

`Ca^(2+), Cl^(-), Sc^(3+)`

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-Assignment (Section -A)
  1. Which of the following shows diagonal relationship ?

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  2. What are representative elements?

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

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

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

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

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  7. Find the incorrect statement.

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

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

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

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

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

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

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

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  15. Which orbital diagram gives an insight ionization energy ?

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  16. The largest atomic radius will be of

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  17. The order of increasing atomic radii is

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

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

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

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