| Period | Group | |
|---|---|---|
| ◀◀ ◀ 3 ▶ | ||
| 1 | ||
| 2 | ||
| 3 | ||
| 4 |
21
Sc
Scandium
[Ar] 4s2 3d1
|
|
| 5 |
39
Y
Yttrium
[Kr] 5s2 4d1
|
|
| 6 |
71
Lu
Lutetium
[Xe] 6s2 4f14 5d1
|
|
| 7 |
103
Lr
Lawrencium
[Rn] 7s2 5f14 7p1
|
Tip: Hover over an element to compare its electron configuration to that of the element below it.