Question

Which atom will not form an ion?

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Answer 1

And lastly, hydrogen and sulfur are both non-metals. Hydrogen sulfide therefore contains covalent bonds. This is because when two non-metal atoms react, they do not form ions or ionic compounds. Instead, the outermost energy levels overlap and they share electrons.

Answer 2

Answer:

The noble gases do not normally gain or lose electrons and so do not normally form ions