Strontium is an important element and its atomic number is 38. Which means that there are 38 protons and electrons in strontium. The complete electronic configuration of Strontium is 1s

^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}5s^{2}. The shortened form of electronic configuration of strontium can also be written as [Kr] 5s2.