Over forty years late, physicists at MIT have been testing these theories, and have captured images of atoms flowing around a ...

An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as each other, and they are different from the atoms of all other elements.

However, for many students, identifying the difference between the particles in an element, compound or mixture proves tricky; especially when the images they see are often ... a particle of water (H ...

The “lead” of a pencil is actually made of a substance called graphite which is made of carbon atoms. The picture shows a close-up of one carbon atom. A hydrogen atom has one proton as the nucleus and ...