What is the atomic structure?

the structure of an atom, theoretically consisting of a positively charged nucleus surrounded and neutralized by negatively charged electrons revolving in orbits at varying distances from the nucleus, the constitution of the nucleus and the arrangement of the electrons differing with various chemical elements. read more

Max Plancks quantum theory (1900), Albert Einstein special theory of relativity (105), and Neils Bohr's theory of atomic structure (1913 - 15) were among the most notable scientific advancement. The diagrammatic representation of atomic structure timeline and the scientist worked on atomic theory is shown below. read more