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The electron configuration of zirconium is: [Kr]5s24d2
The chemical element with the atomic number 41 is niobium; the electron configuration is:[Kr]4d4.5s1.
[Kr]
The electron configuration of selenium for a 2- ion is [Kr]4s2.3d10.4p6.
Commonly, the electron configuration is used to describe the orbitals of an atom in its ground state, but it can also be used to represent an atom that has ionized into a cation or anion by compensating with the loss of or gain of electrons in their subsequent orbitals.
[Kr] 4d10 5s1
The electron configuration of zirconium is: [Kr]5s24d2
The electron configuration of tin(II) cation is [Kr]5s2.4d10.
Electron configuration is a term applied to chemical elements not to compounds.
Sr, Strontium (atomic number 38)
The chemical element with the atomic number 41 is niobium; the electron configuration is:[Kr]4d4.5s1.
Kr is 1s22s22p63s23p64s23d104p6
[Kr],5s2,4d10,5p1
[Kr]
The electron configuration of technetium is [Kr]4d5.5s2.
The electron configuration of selenium for a 2- ion is [Kr]4s2.3d10.4p6.
Commonly, the electron configuration is used to describe the orbitals of an atom in its ground state, but it can also be used to represent an atom that has ionized into a cation or anion by compensating with the loss of or gain of electrons in their subsequent orbitals.