...of carbon, with the added hypothesis 1 Lemons sur la Dissymitric Moliculaire. that the four valences are directed towards the corners of a tetrahedron,...concern the asymmetric carbon, amount to the same thing — explanation of the two isomers by means of the tetrahedron and its image, disappearance of...

...takes place. A little consideration will show that this is secured by the atoms occupying the four corners of a tetrahedron, at the centre of which is the carbon atom. When the four atoms or groups are not identical, they will take up different amounts of affinity from...

...Fig. 2.7 The methane molecule. (i) lndicates the spatial positions of the hydrogen atoms at the points of a tetrahedron at the centre of which is the carbon atom, (ii) A 'model' of the molecule. is an example of what is called a homologous series. As will be seen...

...continuation of Kekule's law of the quadrivalence of carbon, with the added hypothesis that the four valences are directed towards the corners of a tetrahedron,...concern the asymmetric carbon, amount to the same thing— explanation of the two isomers by means of the tetrahedron and its image, disappearance of...