Argon is isoelectronic with the sulfide ion.
Sulphur is not iso-electronic with any noble gas. However sulphide ion (S2- ion) is iso-electronic with argon with 18 electrons.
oxide ion is isoelectronic with neon.
Oxide ion O2- is isoelectronic with neon.
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.
Sulphur is not iso-electronic with any noble gas. However sulphide ion (S2- ion) is iso-electronic with argon with 18 electrons.
oxide ion is isoelectronic with neon.
The noble gas neon (Ne), is isoelectronic with N3- ion (not N atom)
Oxide ion O2- is isoelectronic with neon.
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.
Sulfide ion (S2- ion) (and not sulfur element) is isoelectronic with argon
Krypton and selenide ion are isoelectronic with 36 electrons each
Argon (Ar)
None. However, the noble gas helium is isoelectronic with Li+ ion (and not with Li element)
Mg2+ and neon are isoelectronic