How does electromagnetic radiation affect molecules?
The energy of molecules is quantised just as it is in atoms. When a molecule absorbs a photon of electromagnetic
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Tag: spectroscopy
Mass spec, IR and NMR exam question booklet
This is not just another set of exam questions with exam board style mark schemes. You can find plenty
Everything you need to know about C-13 NMR spectroscopy
13C NMR signals are considerably weaker than 1H NMR signals because the natural abundance of 13C is 1.1%. We also
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Everything you need to know about proton (H-1) NMR Spectroscopy
In proton or 1H NMR spectroscopy the sample is dissolved in a solvent such as tetrachloromethane, CCl4, or trichlorodeuteriomethane, CDCl3
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Understanding nuclear magnetic resonance spectroscopy
We are familiar with the idea that electrons possess an intrinsic quantum property known as spin (we met this when
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Atomic absorption and emission spectroscopy
How can we possibly know what elements are present in the stars? It’s not like we can nip off and