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 ...

One small atom can make a big difference in a molecule’s pharmacological properties. Especially if that atom is a nitrogen. Chemists at the University of Oklahoma have now unveiled a new ...

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 ...

Why does fluorine have a smaller electron affinity than chlorine? Fluorine is a very small atom and an incoming electron experiences a lot of repulsion from the other electrons in the atom. This has ...

A small town mayor in New Zealand has picked a nuclear fight with Donald Trump, after the freshly sworn-in US president ...