Is The Atom The Smallest Particle Of An Element?

Is The Atom The Smallest Particle Of An Element? The smallest particle of an element that cannot be divided or broken up by chemical means. It consists of a central core (or nucleus), containing protons and neutrons, with electrons revolving in orbits in the region surrounding the nucleus. What is the smallest particle than atom?

How Do We Know That Electrons Exist?

How Do We Know That Electrons Exist? Thomson, the British physicist who discovered the electron in 1897, proved that atoms can be divided, according to the Chemical Heritage Foundation. He was able to determine the existence of electrons by studying the properties of electric discharge in cathode-ray tubes. Can we actually see an atom? Atoms