The size of an atom is only a few angstroms at most - there are 10 billion angstroms in 1 metre. This video also looks at the ...

It came when the one electron of the hydrogen atom transitioned from the 2P 1/2 energy level to the 2S 1/2 level. (The leftmost number is the principal quantum number, much like the discrete but ...

Physicists from both New Zealand and Britain have been credited with splitting the atom — but there is consensus that it was ...

When two hydrogen atoms get close enough, 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 ...

Again, this is absolutely minuscule compared to the energy from the monopole interaction, but if you use the monopole interaction to stick an electron to an atom or molecule so it can't simply ...

Scientists have set up and observed a single electron bond between two carbon molecules. A traditional “single bond” is actually two electrons—one from each atom. This is one electron.

If the atom absorbed energy, the electron jumped to a level further from the nucleus; if it radiated energy, it fell to a level closer to the nucleus. His model was a huge leap forward in making ...

Modern aberration-corrected transmission electron microscopy (TEM ... directly from measurements of shifts of the individual atom positions. The conventional concept of image, which applies ...

This creates vacancies, leading to a cascade of electron transitions within the atom as electrons from higher energy levels drop down to fill the vacancy. The energy released during these transitions ...

The reaction releases a lot of heat as the ionic compound sodium chloride is formed. A sodium and chlorine atom are near each other. An electron from each atom feels the attraction from the other atom ...