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Atomes et molécules

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L'atome on en fait toute une histoire... Etape 1 : Rechercher et extraire des informations En réalisant une recherche documentaire, constituez une courte biographie des savants suivants (1 savant par équipe) : Démocrite – Dalton –Thomson – Rutherford – Chadwick - Bohr.

L'atome on en fait toute une histoire...

The History of the Atom – Theories and Models. Click to enlarge All matter is made up of atoms.

The History of the Atom – Theories and Models

This is something we now take as a given, and one of the things you learn right back at the beginning of high school or secondary school chemistry classes. Despite this, our ideas about what an atom is are surprisingly recent: as little as one hundred years ago, scientists were still debating what exactly an atom looked like. This graphic takes a look at the key models proposed for the atom, and how they changed over time. The Photographic Periodic Table of the Elements. Bienvenue à l'Atome Hôtel. Animation - Découverte de l'électron. Dimitri Mendeleiev - Classer les éléments sans les comprendre - LPPV.03 - e-penser.