A few facts about our friend, Helium (He).
Elemental helium is an unreactive, colourless odourless monoatomic (noble) gas
Helium is the second most abundant element in the universe after hydrogen
With an atomic weight of 4.0002344, α particles are doubly ionised helium atoms, He2+
It takes one massive, blue, pressurized ballon to lift the leg of a baby named elle:
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