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(904) · also written as a run, 904a xxx 904n

Oxygen Atoms

Where it is first named

Nitrogen Dioxide N02 (940) of Figure (9-5) is another example of polar electrical charging (q _ q') of two unlike atoms forming a stable molecule wherein a Nitrogen Atom (N) (903) covalently interlocks with two Oxygen Atoms (904a / 904b).
— Electrovalent Bonding

How it is written

  • (904a / 904b) 1×

904a xxx 904n is Meyer's shorthand for a run of the same thing: 904a is the first, 904n the last, and the x's stand for however many lie between. Every stage of the run is this one numeral.

Drawings 2

Where it is named · 1

Electrovalent Bonding 1×

  1. Oxygen Atoms (904a / 904b)

    Nitrogen Dioxide N02 (940) of Figure (9-5) is another example of polar electrical charging (q _ q') of two unlike atoms forming a stable molecule wherein a Nitrogen Atom (N) (903) covalently interlocks with two Oxygen Atoms (904a / 904b).

    Read it there → · on Figure (9-5)