<prompt> Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu: Kupfuura: Muna 1856 Kekulé akava Privatdozent paUniversity of Heidelberg. Muna 1858 akapiwa basa somupurofesa wenguva dzose paYunivhesiti yeGhent, ipapo muna 1867 akadanwa kuBonn, kwaakagara kwehupenyu hwake hwose. Achivakira pfungwa dzake pane dzakatangira vamwe vakadai saWilliamson, Edward Frankland, William Odling, Auguste Laurent, Charles-Adolphe Wurtz nevamwe, Kekulé ndiye akanga ari murongi mukuru wepfungwa yechimiro chemakemikari 185758. Dzidziso iyi inobva papfungwa yeatomic valence, kunyanya iyo tetravalence yekabhoni iyo Kekulé yakazivisa mukupera kwa1857 uye kugona kwemaatomu ekabhoni kubatanidza kune mumwe nemumwe yakaziviswa mupepa rakaburitswa muna Chivabvu 1858, kusvika pakugadziriswa kwe kurongeka kwekubatanidza kweatomu dzese mumorekuru. Archibald Scott Couper akazvimiririra akasvika papfungwa yokuzvibatanidza kweatomu dzekabhoni pepa rake rakaonekwa muna June 1858, uye akapa mafomura okutanga emakemikari umo mitsetse inomiririra zvisungo zvinobatanidza maatomu. Nokuda kwavanamazvikemikari, rondedzero yechimiro yakapa kujekesa kutsva kunoshamisa kwokunzwisisa, uye nhungamiro yakavimbika kubasa rokunzvera uye zvikurukuru rokugadzira. Somuuyo, munda wekemisitiri yomuviri wakakura zvikuru kubva panguva ino. Pakati pevaya vaive vakanyanya kushingaira mukutsvaga kwekutanga kuongorora kwakanga kuri, kuwedzera kuna Kekulé naCouper, Frankland, Wurtz, Alexander Crum Brown, Emil Erlenmeyer, naAlexander Butlerov. Pfungwa yaKekulé yekugovera mamwe maatomu kune dzimwe nzvimbo mukati memorekuru, uye nekuvabatanidza nenzira yekushandisa iyo yaakadana kuti Verwandtschaftseinheiten affinity units, yava kunzi valences kana bonds, yaive yakavakirwa zvakanyanya pauchapupu kubva kumakemikari maitiro, pane pane nzira dzekuongorora dzinogona kutarisa zvakananga mumorekuru, senge X-ray crystallography. Nzira dzakadaro dzokuziva dzokuvaka dzakanga dzisati dzavapo, naizvozvo vanamazvikokota vezvokugadzira zvinhu vomuzuva raKekulé vaifanira kuvimba chose chose nezvinonzi makemikari anonyorova. Mamwe makemikari, zvikurukuru Hermann Kolbe, akashora zvikuru kushandiswa kwe... Mubvunzo: Munharaundai yesayenzi umo dzidziso yaKekulé yakanga iri?  <response>: chimiro chemakemikari 