rydberg

see also Rydberg constant

1

A unit of energy. One rydberg is approximately 2.179 871 97 × 10-18 joules ± 0.000 000 11 × 10-18 joules (approximately 13.6058 electron-volts). Symbol, Ry.

2

A unit of wave number (reciprocal of wavelength), identical to the kayser and balmer.

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