分子原子小粒子，原子核外电子转。

Small molecule atomic particles, atoms extranuclear electron transfer.

那就是氢原子原子核外电子，最低轨道到情况。

That is the electron in its lowest orbit, to the nucleus of atomic hydrogen.

根据量子力学的法则，核子外部一定数目的核外电子以一定的圆周轨道运行形成球状壳结构。

Under the laws of quantum mechanics, the nuclei of atoms have shell-like structures analogous to the spheres in which given Numbers of electrons exist in certain orbits around the nucleus.