H1s ¹
He1s ²

Li[He] 2s ¹
Be[He] 2s ²
B[He] 2s ² 2p ¹
C[He] 2s ² 2p ²
N[He] 2s ² 2p ³
O[He] 2s ² 2p ⁴
F[He] 2s ² 2p ⁵
Ne[He] 2s ² 2p ⁶

Na[Ne] 3s ¹
Mg[Ne] 3s ²
Al[Ne] 3s ² 3p ¹
Si[Ne] 3s ² 3p ²
P[Ne] 3s ² 3p ³
S[Ne] 3s ² 3p ⁴
Cl[Ne] 3s ² 3p ⁵
Ar[Ne] 3s ² 3p ⁶

K[Ar] 4s ¹
Ca[Ar] 4s ² Sc[Ar] 4s ² 3d ¹
Ti[Ar] 4s ² 3d ²
V[Ar] 4s ² 3d ³
Cr[Ar] 4s ¹ 3d ⁵
Mn[Ar] 4s ² 3d ⁵
Fe[Ar] 4s ² 3d ⁶
Co[Ar] 4s ² 3d ⁷
Ni[Ar] 4s ² 3d ⁸
Cu[Ar] 4s ¹ 3d ¹⁰
Zn[Ar] 4s ² 3d ¹⁰
Ga[Ar] 4s ² 3d ¹⁰ 4p ¹
Ge[Ar] 4s ² 3d ¹⁰ 4p ²
As[Ar] 4s ² 3d ¹⁰ 4p ³
Se[Ar] 4s ² 3d ¹⁰ 4p ⁴
Br[Ar] 4s ² 3d ¹⁰ 4p ⁵
Kr[Ar] 4s ² 3d ¹⁰ 4p ⁶

Rb[Kr] 5s ¹
Sr[Kr] 5s ²
Y[Kr] 4d ¹ 5s ²
Zr[Kr] 4d ² 5s ²
Nb[Kr] 4d ⁴ 5s ¹
Mo[Kr] 4d ⁵ 5s ¹
Tc[Kr] 4d ⁵ 5s ²
Ru[Kr] 4d ⁷ 5s ¹
Rh[Kr] 4d ⁸ 5s ¹
Pd[Kr] 4d ¹⁰5s ⁰
Ag[Kr] 4d ¹⁰ 5s ¹
Cd[Kr] 4d ¹⁰ 5s ²
In[Kr] 5s ² 4d ¹⁰ 5p ¹
Sn[Kr] 5s ² 4d ¹⁰ 5p ²
Sb[Kr] 5s ² 4d ¹⁰ 5p ³
Te[Kr] 5s ² 4d ¹⁰ 5p ⁴
I[Kr] 5s ² 4d ¹⁰ 5p ⁵
Xe[Kr] 5s ² 4d ¹⁰ 5p ⁶

[Xe] 6s ¹
Ba[Xe] 6s ²
La[Xe] 5d ¹ 6s ²
Ce[Xe] 5d ¹ 6s ²
Pr[Xe] 4f ³ 6s ²
Nd[Xe] 4f ⁴ 6s ²
Pm[Xe] 4f ⁵ 6s ²
Sm[Xe] 4f ⁶ 6s ²
Eu[Xe] 4f ⁷ 6s ²
Gd[Xe] 4f ⁷ 5d ¹ 6s ²
Tb[Xe]4f ⁹ 6s ²
Dy[Xe] 4f ¹⁰ 6s ²
Ho[Xe] 4f ¹¹ 6s ²
Er[Xe] 4f ¹² 6s ²
Tm[Xe] 4f ¹³ 6s ²
Yb[Xe] 4f ¹⁴ 6s ²
Lu[Xe] 4f ¹⁴ 5d ¹ 6s ²
Hf[Xe] 4f ¹⁴ 5d ² 6s ²
Ta[Xe] 4f ¹⁴ 5d ³ 6s ²
W[Xe] 4f ¹⁴ 5d ⁴ 6s ²
Re[Xe] 4f ¹⁴ 5d ⁵ 6s ²
Os[Xe] 4f ¹⁴ 5d ⁶ 6s ²
Ir[Xe] 4f ¹⁴ 5d ⁷ 6s ²
Pt[Xe] 4f ¹⁴ 5d ⁹ 6s ¹
Au[Xe] 4f ¹⁴ 5d ¹⁰ 6s ¹
Hg[Xe] 4f ¹⁴ 5d ¹⁰ 6s ²
Tl[Xe] 4f ¹⁴ 5d ¹⁰ 6s ² 6p ¹
Pb[Xe] 4f ¹⁴ 5d ¹⁰ 6s ² 6p ²
Bi[Xe] 4f ¹⁴ 5d ¹⁰ 6s ² 6p ³
Po[Xe] 4f ¹⁴ 5d ¹⁰ 6s ² 6p ⁴
At[Xe] 4f ¹⁴ 5d ¹⁰ 6s ² 6p ⁵
Rn[Xe] s ² 3d ¹⁰ 4p ⁶