The ground state electron configuration of ground state gaseous neutral cobalt is Ar.3d7. Co is diamagnetic and Co3 is paramagnetic. Cobalt atoms have 27 electrons and the shell structure is 2.8.15.2. electron configuration of Co: 1s22s22p3s23p63d7452 electron configuration of Co3 : 1s22s22p3s23p3d6 Are Co and Co3 diamagnetic or paramagnetic Both Co and Co3 are paramagnetic. However, if the overall complex has a charge of 3 , then the cobalt also had a charge of 3 . Answer and Explanation: Become a member to unlock this answer Create your account. Write the full electron configurations of cobalt metal, Co, and one of its ions, Co3 . Another type of configuration called as shorthand or noble gas configuration is used to write the configuration of elements that ease them in representing the atoms. In the periodic table, cobalt has nine valence electrons. If you look at a series of elements, cobalt is in. \) can both react with water, but K has a more radical reaction because it has more shells of core electrons which makes the valence electron in its outermost orbital much easier to lose than the valence electron of Na. Cobalt isn't found on Earth in atomic form because it is more stable when it's in a chemical bond. Cobalt has fifteen electrons in its third shell that holds a maximum of eighteen electrons (as seen in zinc).
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