Chemistry A-Level
Wavenumber in cm⁻¹ as the horizontal axis
What Wavenumber in cm⁻¹ as the horizontal axis means in Chemistry A-Level, as defined for OCR.
Definition of Wavenumber in cm⁻¹ as the horizontal axis
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Reference: OCR
The spectrum is a plot of absorbance (or transmittance) against wavenumber in cm⁻¹, usually read from about 4000 cm⁻¹ down to 500 cm⁻¹.
Topics that use Wavenumber in cm⁻¹ as the horizontal axis
- Analytical techniques (OCR A-Level)
Related terms
- Absorption and re-emission of infrared radiation
- Absorption of infrared radiation
- Absorption of infrared radiation by bond vibrations
- Bond stretching and bending
- Broad peak shape caused by hydrogen bonding
- Change in dipole moment
- Changes to energy usage
- characteristic absorption bands
Using Wavenumber in cm⁻¹ as the horizontal axis in the exam
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