Norman Campbell discusses the problem of the possible consistency of the assumptions about the motion and arrangement of electrons in the atom underlying ... theory of atomic structure, and ...

The valency of an element is linked to how many electrons an atom must gain or lose to achieve the same electronic structure as a noble gas i.e., have a full outer shell. For example an element in ...

Listen to the full series on BBC Sounds. Hans Geiger and Ernest Marsden tested the plum pudding model. They aimed beams of positively-charged particles at very thin gold foil. These particles ...

Using advanced analysis based on full genome sequences ... finding evidence of ancestral population structure in some but not all of these. "What's becoming clear is that the idea of species ...

Glucose is made from carbon, hydrogen, and oxygen atoms. The structure of wood is made of many cellulose molecules stacked together. Plastic and wood can have similar densities because they are made ...

Top minds at the world's largest atom smasher have released a blueprint ... and by looking for new physics that explain the structure and evolution of the universe. One unknown is whether the ...