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franciscopolis.bsky.social
@franciscopolis.bsky.social
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franciscopolis.bsky.social
si l'ONU est aussi rapide avec l'urgence climatique qu'avec l'Etat Palestinien ,ce n'est pas gagné
November 10, 2025 at 5:08 PM
franciscopolis.bsky.social
evidemment
www.masterorganicchemistry.com/2012/04/17/h...
Homotopic, Enantiotopic, Diastereotopic
When two or more H are attached to a single carbon, they can have 3 types of relationships. We call them "homotopic", "enantiotopic", and "diastereotopic".
www.masterorganicchemistry.com
August 21, 2025 at 11:25 AM
franciscopolis.bsky.social
racine de -1 = i²
August 17, 2025 at 10:43 AM