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Which of the following sets are isoelectronic (i.e., have the same number of electrons)? i. Br-, Kr, Sr2+ ii. C, N-, O2- iii. Mg2+, Ca2+, Sr2+ iv. O2-, O, O2+ v. Ag+, Cd2+, Pd

Respuesta :

Answer:

ii. [tex]C,\ N^-,\ O^{2-}[/tex]

Explanation:

Isoelectric species are the species which have same number of electrons.

From the given options:-

[tex]C,\ N^-,\ O^{2-}[/tex] are the isoelectric species.

All the three species have same number of electrons which is equal to 6.

Carbon has 6 electrons.

[tex]N^-[/tex] has 6 electrons.

[tex]O^{2-}[/tex] has 6 electrons.

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