Chemical substance identity of benzene, until the correct structure was described by Friedrich August Kekulé. Likewise, the idea of stereoisomerism – that atoms have rigid three-dimensional structure and can thus form isomers that differ only in their three-dimensional arrangement – was another crucial step in understanding the concept of distinct chemical substances. For example, tartaric acid has three distinct isomers, a pair of diastereomers with one diastereomer forming two enantiomers. An element is a chemical substance made up of a particular kind of atom and hence cannot be broken down or transformed by a chemical reaction into a different element, though it
Magic in the Air (Magic System song) Magic in the Air (Magic System song) "Magic in the Air" is a 2014 single by Ivorian musical group Magic System, featuring Moroccan singer Chawki and produced by Moroccan producer RedOne. The track also appears on Magic system's album "Africainement vôtre," released on 19 May 2014. The association football themed song focusing on African football was produced by Swedish-Moroccan producer RedOne with the catchy refrain saying On t'invite à la magie, y a pas de raccourci,<br> Oublie tes soucis, viens faire la folie<br>Feel the magic in the air, allez allez allez, <br>Levez les mains en l'air, allez allez allez. which