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What is true about iso-electronic ions ?...

What is true about iso-electronic ions ?

A

They belong to same period

B

they belong to same group

C

they belong to same block

D

their size increases with decreases in nuclear charge

Text Solution

Verified by Experts

The correct Answer is:
D

Size of isoelectronic ions increases with decreases in nuclear charge.
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. Which of the following pairs show diagonal relationship?

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  2. Which of the following sequences contain atomic numbers of only repres...

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  3. What is true about iso-electronic ions ?

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  4. Which of the following set of species contains elements which have bee...

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  5. Which of the following belongs to d-block?

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  6. Pd has exceptional valence shell electronic configuration of 4d^(10)5s...

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  7. An element X has IE and EA respectively 275 and 1450 kJ mol^(-1). The ...

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  8. The van der Waal's radii of O,N,CI,F and Ne increase in the order

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  9. The outer shell configuration and group number of the element with ato...

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  10. Which of the following pair contains species having nearly same charge...

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  11. According to IUPAC norms an element has been named as Uun. The atomic ...

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  12. Which of the following ion will form most water soluble hydroxide?

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  13. Which of the following has greatest tendency to lose electron ?

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  14. With which of the following configuration the lowest value of first IE...

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  15. Which of the following configuration is associated with biggest jump b...

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  16. Which of the following does not reflect periodicity of elements ?

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  17. In the long form of the periodic table, the transition metals are plac...

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  18. Which of the following metal requires radiation of highest frequency t...

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  19. Which of the following ions is smallest in size ?

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  20. Which of the following elements is/are not liquid at 30^@C ?

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