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Place Denmark Remove constraint Place: Denmark Format Image Remove constraint Format: Image Subject Atomic structure Remove constraint Subject: Atomic structure Subject Bohr, Niels, 1885-1962 Remove constraint Subject: Bohr, Niels, 1885-1962

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    • 1963-Nov-21

    Stamps depict Niels Bohr, the equation for the Bohr frequency condition (an equation relating to light frequency and electrons), and a diagram of the Bohr model of a hydrogen atom.