Question

what do you understand by isoelectronic species

Answer 1

Isoelectronic species are those species that have same number of electrons in their shells
example Al3+,Mg2+,Na+,etc.

Answer 2

★★★hey friend!!★★★
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Isoelectronic species are elements or ions that have the same, or equal number of electrons
Species which are isoelectronic with
1) F- -->Mg2+, Ne. Al3+ (10 electrons)
2) Ar --> Cl-, S2-, Ca2+ (18 electrons)
3) Mg2+ → Ne,, Al3+, F- (10 electrons)
4) Rb+ →Br– (36 electrons)
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★★★i hope this may help u!! ★★★