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प्रश्न
What are isoelectronic ions? Give examples.
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उत्तर
There are some ions of different elements having the same number of electrons are called isoelectronic ions.
Example: Na+, Mg2+, Al3+, F–, O2– and N3–
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संबंधित प्रश्न
Various successive ionisation enthalpies (in kJ mol-1) of an element are given below.
| IE1 | IE2 | IE3 | IE4 | IE5 |
| 577.5 | 1,810 | 2,750 | 11,580 | 14,820 |
The element is
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