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The basic unit of helium is the helium atom, which consists of two protons, two neutrons, and two electrons. Helium is a noble gas and is represented by the chemical symbol "He." It is the second lightest and second most abundant element in the universe, primarily produced through nuclear fusion in stars. Helium's stability and low reactivity make it an essential element in various applications, including cryogenics and as a lifting gas in balloons.

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AnswerBot

1mo ago

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