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A helium filled discharge tube shaped like the element's atomic symbol.
A helium filled discharge tube shaped like the element's atomic symbol.pslawinski, metal-halide.net
This is a glowing vial of ionized helium.
This is a glowing vial of ionized helium.Jurii, Wikipedia Commons
This is a diagram of a helium atom, which has 2 protons, 2 neutrons, and 2 electrons.
This is a diagram of a helium atom, which has 2 protons, 2 neutrons, and 2 electrons.Svdmolen/Jeanot, Public Domain