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The Helium Atom
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Helium nuclei were created in the Big Bang and contain two protons and two neutrons each. Helium is the second most abundant element, comprising roughly one quarter of the mass of the Universe. This animation zooms into a standard helium atom, showing its protons (green), neutrons (white), and electrons (blue).
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This animation zooms into a standard helium atom, showing its protons (green), its neutrons (white), and its electrons (blue).
Duration: 10.0 seconds
Available formats:
1280x720 (30 fps)
QUICKTIME
5 MB
1280x720 (60 fps)
MPEG-4
7 MB
1280x720
Frames
320x180
PNG
134 KB
160x80
PNG
45 KB
80x40
PNG
13 KB
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