Period 4 element
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Atomic number 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 |
| electron configuration all begin with [Ar] |
4s1 | 4s2 | 3d14s2 | 3d24s2 | 3d34s2 | 3d54s1 | 3d54s2 | 3d64s2 | 3d74s2 | 3d84s2 | 3d104s1 | 3d104s2 | 3d104s24p1 | 3d104s24p2 | 3d104s24p3 | 3d104s24p4 | 3d104s24p5 | 3d104s24p6 |
ar:عناصر الدورة الرابعة ast:Elementos del periodu 4 ca:Elements del període 4 de:Periode-4-Element eo:Elemento de periodo 4 eu:4. periodoko elementu ko:4주기 원소 it:Elementi del periodo 4 lmo:Elemeent del períut 4 nl:Periode-4-element sk:4. perióda sr:4. периода хемијских елемената sh:Elementi 4. periode sv:Grundämnen i period 4 ta:கிடைக்குழு 4 th:ธาตุคาบ 4