orbitaly:
1 s
2 s p
3 s p d
4 s p d f

⁵²Te [³⁶Kr] 5s²4d¹⁰5p⁴
¹³AI[¹⁰Ne]3s²3p¹
²³V [¹⁸Ar] 4s² 3
⁵³I [³⁶Kr] 5s² 4
¹²Mg [¹⁰Ne] 3s²
²⁶Fe [¹⁸Ar] 

³⁶Kr 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6