Periodic Table Navigator

See how the elements are related to each other

Period Group
◀ 17 ▶
1
2
9
F
Fluorine
[He] 2s2 2p5
3
17
Cl
Chlorine
[Ne] 3s2 3p5
4
35
Br
Bromine
[Ar] 4s2 3d10 4p5
5
53
I
Iodine
[Kr] 5s2 4d10 5p5
6
85
At
Astatine
[Xe] 6s2 4f14 5d10 6p5
7
117
Ts
Tennessine
[Rn] 7s2 5f14 6d10 7p5

Tip: Hover over an element to compare its electron configuration to that of the element below it.

Legend

3d10 Different electron shell (n)

3d10 Different electron count

3d10 New term (orbital)