The top documents tagged [amu atomic mass unitneutron]

Atomic Structure & Elements

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Atomic Structure & Elements. Size of the Atom ► Average sized atom 0.00000003 cm ► Aluminum foil 50,000 atoms thick ► 1 penny 20,000,000,000,000,000,000,000.

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Atomic Structure & Mixtures, Compounds, Elements.

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