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None. The Se2- ion is isoelectronic with Krypton.

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Which noble gas is isoelectronic with S 2?

The noble gas that is isoelectronic with S2- is Argon. Both S2- and Argon have 18 electrons.


What noble gas is isoelectronic with N?

The noble gas neon (Ne), is isoelectronic with N3- ion (not N atom)


Is Cl isoelectronic with a noble gas?

Not a neutral Cl atom but the chloride ion Cl- is isoelectronic with the noble gas argon.


Which noble gas is isoelectronic to thallium?

None. However, the noble gas helium is isoelectronic with Li+ ion (and not with Li element)


What Nobel gas is isoelectronic with Ca?

Krypton is the noble gas isoelectronic with calcium, meaning they have the same number of electrons.


Which noble gas is Na Isoelectronic with?

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What is the nearest noble gas of chlorine?

No noble gas is isoelectronic with the element chlorine. But argon is isoelectronic with the chloride ion.


Which noble gas is occupied by magnesium?

Magnesium element has no relation with noble gas. But Mg2+ ions and noble gas neon are isoelectronic.


Ions of calcium fluorine magnesium and iodine have electron configurations that are similar to which noble gases?

Ca2+ is isoelectronic with the noble gas, Argon. F-, Mg2+ are isoelectronic with the noble gas, Neon. I- is isoelectronic with the noble gas, Xenon


Which noble gas is isoelectronic with Pu?

[Rn] 5f6 7s2


Which noble gas is isoelectronic with a sulphur ion?

Argon is isoelectronic with the sulfide ion.


What noble gas is isoelectronic with an aluminum ion?

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