Period 3 element
A period 3 element is one of the chemical elements in the third 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 |
11 Na |
12 Mg |
13 Al |
14 Si |
15 P |
16 S |
17 Cl |
18 Ar |
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| e--conf. | ||||||||||||||||||
| Alkali metals | Alkaline earths | Lanthanide | Actinides | Transition metals |
| Poor metals | Metalloids | Nonmetals | Halogens | Noble gases |
Period 1 element - Period 2 element - Period 3 element - Period 4 element - Period 5 element - Period 6 element - Period 7 element - Period 8 element -
ca:Elements del període 3 de:Periode-3-Element es:Elementos del periodo 3 eo:Elemento de periodo 3 fr:Éléments de la période 3 it:Elementi del periodo 3 nl:Periode 3 element ja:第3周期の元素