oxide ion is isoelectronic with neon.
Oxide ion O2- is isoelectronic with neon.
Argon is isoelectronic with the sulfide ion.
S2- ion is isoelectronic with argon (with 18 electrons).
Not a neutral Cl atom but the chloride ion Cl- is isoelectronic with the noble gas argon.
None. The Se2- ion is isoelectronic with Krypton.
Oxide ion O2- is isoelectronic with neon.
Argon is isoelectronic with the sulfide ion.
The noble gas neon (Ne), is isoelectronic with N3- ion (not N atom)
S2- ion is isoelectronic with argon (with 18 electrons).
Not a neutral Cl atom but the chloride ion Cl- is isoelectronic with the noble gas argon.
None. The Se2- ion is isoelectronic with Krypton.
Krypton and selenide ion are isoelectronic with 36 electrons each
Sulfide ion (S2- ion) (and not sulfur element) is isoelectronic with argon
Argon (Ar)
None. However, the noble gas helium is isoelectronic with Li+ ion (and not with Li element)
Mg2+ and neon are isoelectronic
If you go backwards two elements, you will find Neon (Ne). If you go forwards six, you will find Argon (Ar).