Period 4 element
A period 4 element is one of the chemical elements in the fourth row (or period) of the periodic table of the elements.These are:
| Group | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| # Name |
19 K |
20 Ca |
21 Sc |
22 Ti |
23 V |
24 Cr |
25 Mn |
26 Fe |
27 Co |
28 Ni |
29 Cu |
30 Zn |
31 Ga |
32 Ge |
33 As |
34 Se |
35 Br |
36 Kr |
| e--conf. |
| Alkali metals | Alkaline earths | Lanthanide | Actinides | Transition metals |
| Other metals | Metalloids | Nonmetals | Halogens | Noble gases |
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