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EntityQ224438· pop 25· linked from 7 articles

NA, N.A., Na, nA or n/a may refer to:

In the Vinony graph

Within Vinony's link graph, Na is referenced by 7 other articles, and connects out to Namibia, North America and Naples.

Its subject is documented across 25 Wikipedia language editions.

~3 min read

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NA, N.A., Na, nA or n/a may refer to:

==Chemistry and physics== Sodium, symbol Na, a chemical element Avogadro constant (NA) Nucleophilic addition, a type of reaction in organic chemistry Numerical aperture, a number that characterizes a range of angles in an optical system nA, the symbol for nanoampere Naturally aspirated engine

Excerpted from Wikipedia’s “Na” article, available under the CC BY-SA 4.0 licence.

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