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प्रश्न
Consider the following species:-
N3–, O2–, F–, Na+, Mg2+ and Al3+
What is common in them?
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उत्तर १
Each of the given species (ions) has the same number of electrons (10 electrons). Hence, the given species are isoelectronic.
उत्तर २
All of them are isoelectronic in nature and have 10 electrons each.
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संबंधित प्रश्न
What do you understand by isoelectronic species? Name a species that will be isoelectronic with the following atom or ion:-
F-
What do you understand by isoelectronic species? Name a species that will be isoelectronic with the following atom or ion:-
Ar
What do you understand by isoelectronic species? Name a species that will be isoelectronic with the following atom or ion:-
Rb+
Consider the following species:-
N3–, O2–, F–, Na+, Mg2+ and Al3+
Arrange them in the order of increasing ionic radii.
Explain why cations are smaller and anions larger in radii than their parent atoms?
The size of isoelectronic species — F-, Ne and Na+ is affected by ______.
Ionic radii vary in
(i) inverse proportion to the effective nuclear charge.
(ii) inverse proportion to the square of effective nuclear charge.
(iii) direct proportion to the screening effect.
(iv) direct proportion to the square of screening effect.
The correct order of ionic radii for the ions s2−, Cl−, p3−, Ca2+ is ______.
The size of iso-electronic species Cl-, Ar and Ca2+ is affected by ______.
Which one of the following has the largest ionic radius?
Which of the following statements are true?
- Unlike Ga that has a very high melting point, Cs has a very low melting point.
- On Pauling scale, the electronegativity values of N and Cl are not the same.
- Ar, K+, Cl−, Ca2+ and S2− are all isoelectronic species.
- The correct order of the first ionisation enthalpies of Na, Mg, Al, and Si is Si > Al > Mg > Na.
- The atomic radius of Cs is greater than that of Li and Rb.
Choose the correct answer from the options given below:
