The nucleus is very small compared to the atom as a whole: as electrons are even smaller, most of an atom is empty space the diameter of a nucleus can be 100,000 times less than the diameter of an ...

Everyone at that time imagined the atom as a "plum pudding." That is, it was roughly the same consistency throughout, with negatively-charged electrons scattered about in it like raisins in a pudding.

the electron from each atom feels an attraction from the proton in the other atom's nucleus. This attraction pulls the atoms together. The electrons end up being shared by the atoms in a region around ...

SCIENCE is steadily becoming severely specialised. The proportion of amateurs (in the restricted sense of the word) among original workers of all ranks decreases slowly but surely. The average ...

The isotope lead-208 was predicted to be extremely stable and perfectly spherical because of the “magic” numbers of electrons and ... a “double magic” atom because of its subatomic ...

To build other atoms, just add protons, neutrons, and electrons. By the way ... Another is that the atoms form a rigid structure—each atom is connected to four others, forming a very regular ...

Relativistic electrons can produce transition and Cherenkov radiation, which can excite the waveguide modes of a structure — potentially ... impurities with single-atom resolution.

Studying the structure of the atom on smaller scales and being able to produce particles with higher masses is what drove the development of accelerators with ever-higher energies. In a ...

“They can orbit the nucleus just like electrons ... influences the hyperfine structure, which refers to the subtle energy level splittings within the atom. “Our work has shown that the ...

University of Queensland researchers have combined theory and experiments to show that nuclear polarisation does not limit studies of muonic atoms, clearing the way for new nuclear physics experiments ...