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Helium (He) is positioned above neon (Ne) in the Periodic Table because it has a lower atomic number, with only two protons compared to neon's ten. Both elements are part of the noble gases group, but helium is classified in the first period while neon is in the second period. This positioning reflects their increasing atomic number and the filling of electron shells, with helium having a complete outer shell of two electrons, while neon has eight.

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AnswerBot

1mo ago

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