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Na
(redirected from atomic number 11)

    Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.02 sec.
Na, symbol for the element sodium sodium, a metallic chemical element; symbol Na [Lat. natrium]; at. no. 11; at. wt. 22.98977; m.p. 97.81°C;; b.p. 892.9°C;; sp. gr. 0.971 at 20°C;; valence +1. Sodium is a soft, silver-white metal.
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NA

See numerical aperture.

Na
(chemistry)
sodium
(networking)na - The country code for Namibia.


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