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Correct isomer => resonance form (the benzene structure itself has no isomers) 06:58, 20 August 2009: 1,600 × 900 (121 KB) Matthias M. more space between sp2 and hybridized orbitals: 06:56, 20 August 2009: 1,600 × 900 (121 KB) Matthias M. structural → molecular formula separated sp2 into own text-field: 06:35, 20 August 2009: 1,600 × 900 ...
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English: VB mixing diagram of benzene. The Kekulé structures are mutually transformable by the D 6h point group operations C 2, σ v and i; a linear combination produces a ground A 1g state and the first excited B 2u state. Ref. Sason S. Shaik; Phillipe C. Hiberty (2008). A Chemist's Guide to Valence Bond Theory.
In a photoionization detector, high-energy photons, typically in the vacuum ultraviolet (VUV) range, break molecules into positively charged ions. [2] As compounds enter the detector they are bombarded by high-energy UV photons and are ionized when they absorb the UV light, resulting in ejection of electrons and the formation of positively charged ions.
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[4] [12] The Safety Equipment Institute's third-party certification testing further solidifies this connection, ensuring the effectiveness and reliability of exposure monitoring equipment. [ 4 ] [ 12 ] It is through such standards that the monitoring process becomes a well-defined and reliable tool in supporting workplace safety.