1

18

1

H

1s¹

2

13

14

15

16

17

He

1s²

2

Li

2s¹

Be

2s²

B

2p¹

C

2p²

N

2p³

O

2p⁴

F

2p⁵

Ne

2p⁶

3

Na

3s¹

Mg

3s²

3

4

5

6

7

8

9

10

11

12

Al

3p¹

Si

3p²

P

3p³

S

3p⁴

Cl

3p⁵

Ar

3p⁶

4

K

4s¹

Ca

4s²

Sc

3d¹

Ti

3d²

V

3d³

Cr

3d⁵ 4s¹

Mn

3d⁵

Fe

3d⁶

Co

3d⁷

Ni

3d⁸

Cu

3d¹⁰ 4s¹

Zn

3d¹⁰

Ga

4p¹

Ge

4p²

As

4p³

Se

4p⁴

Br

4p⁵

Kr

4p⁶

5

Rb

5s¹

Sr

5s²

Y

4d¹

Zr

4d²

Nb

4d⁴ 5s¹

Mo

4d⁵ 5s¹

Tc

4d⁶ 5s¹

Ru

4d⁷ 5s¹

Rh

4d⁸ 5s¹

Pd

4d¹⁰

5s⁰

Ag

4d¹⁰ 5s¹

Cd

4d¹⁰ 5s²

In

5p¹

Sn

5p²

Sb

5p³

Te

5p⁴

I

5p⁵

Xe

5p⁶

6

Cs

6s¹

Ba

6s²

La-Lu

Hf

5d²

Ta

5d³

W

5d⁴

Re

5d⁵

Os

5d⁶

Ir

5d⁷

Pt

5d⁹ 6s¹

Au

5d¹⁰ 6s¹

Hg

5d¹⁰

Tl

6p¹

Pb

6p²

Bi

6p³

Po

6p⁴

At

6p⁵

Rn

6p⁶

7

Fr

7s¹

Ra

7s²

Ac-Lr

Rf

6d²

Db

6d³

Sg

6d⁴

Bh

6d⁵

Hs

6d⁶

Mt

6d⁷

Ds

6d⁹ 7s¹

Rg

6d¹⁰ 7s¹

Cn

6d¹⁰ 7s²

Nh

Fl

7p²

Mc

Lv

7p⁴

Ts

Og

7p⁶

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

6

La

5d¹

Ce

4f²

Pr

4f³

Nd

4f⁴

Pm

4f⁵

Sm

4f⁶

Eu

4f⁷

Gd

4f⁷ 5d¹

Tb

4f⁹

Dy

4f¹⁰

Ho

4f¹¹

Er

4f¹²

Tm

4f¹³

Yb

4f¹⁴

Lu

5d¹

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

7

Ac

6d¹

Th

6d²

Pa

5f² 6d¹

U

5f³ 6d¹

Np

5f⁴ 6d¹

Pu

5f⁶

6d⁰

Am

5f⁷

6d⁰

Cm

5f⁷ 6d¹

Bk

5f⁹

6d⁰

Cf

5f¹⁰

6d⁰

Es

5f¹¹

6d⁰

Fm

5f¹²

6d⁰

Md

5f¹³

6d⁰

No

5f¹⁴

6d⁰

Lr

5f¹⁴ 6d¹