Chemistry

Linienspektrum H- und Li-Atom

Gezeigt werden die Linienspektren von Wasserstoff und Lithium. Die Beschriftung der Braille-Abbildung erfolgt in Computerbraille. Die dazugehörige Schwarzschriftabbildung ist in

Covalent Bonding

This is a kit for modelling covalent bonding. Electrons are represented by spheres, in pairs. The nucleus is represented as

Ionic Bonding

Use this kit to experiment with ionic compounds. The cations have ‘studs’ on the right hand side of the print.

Calottes

Dome models of pentane isomers The calotte model is a three-dimensional model that is used for the spatial representation of

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