Atoms are spheres, Solid Sphere Model, John Dalton, Solid Sphere Model, Shows different elements have different atoms, Solid Sphere Model, Does not explain the existence of electrons, Solid Sphere Model, , Solid Sphere Model.

Табела

Визуелни стил

Поставке

Промени шаблон

)
Врати аутоматски сачувано: ?