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Nosuch ion as ' s2- '.

If you mean ' S^(2-) '. It is an ANION and contains two extra electrons in its outer el

electron shell.

A sulphur atom contains 16 proton and 16 electrons.

A Sulphide anion contains 16 protons and 18 electrons.

NB When writing chemical symbols , be they one or two letter symbols, the first letter is ALWAYS a CAPITAL letter. This is the recognised international standard. So .' s2- ' is incorrect, and should read ' S2- ' or better ' S^(2-) '.

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lenpollock

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∙ 1w ago

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