The detailed distribution of electrons inside the power ranges and sublevels of a sodium atom is expressed utilizing its full electron configuration. This illustration explicitly reveals the occupancy of every atomic orbital. For sodium, which has an atomic variety of 11, the entire electron configuration is 1s22s22p63s1. This notation specifies that the 1s, 2s, and 2p orbitals are absolutely occupied, containing two, two, and 6 electrons, respectively, whereas the 3s orbital comprises one electron.
Information of an entire electron configuration is prime to understanding the chemical habits of a component. It permits prediction of a component’s reactivity, its tendency to kind particular sorts of chemical bonds, and its place inside the periodic desk. By explicitly displaying all occupied orbitals, it supplies a complete view of the electron association that governs interactions with different atoms. Traditionally, figuring out such configurations has been pivotal within the improvement of quantum mechanics and its utility to atomic construction.