Atomic orbital , the letters associated with those numbers are K, L, M, N, O, ... respectively. The simplest atomic orbitals are those that are calculated for systems with a single electron, such as the hydrogen atom. An atom of any other element ionized down to a single electron is very similar to hydrogen, and the orbitals take the same form. In the Schrödinger equation for this system of one negative and one positive particle, the atomic orbitals are the eigenstates of the Hamiltonian operator for the energy. They can be obtained analytically, meaning that the resulting orbitals are products of a
Summer (given name) Summer (given name) Summer is an English feminine given name of recent coinage derived from the word for the season of summer, the warmest season of the year and a time people generally associate with carefree and fun activities. It's been in common use as a name since at least 1970 in English-speaking countries. Summer, along with other seasonal and nature names, came into fashion as part of the 1960s and 70s counterculture. The name was the 30th most common name given to girls born in England and Wales in 2011, was the 36th most popular name given to girls