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→About Transition Metals
|- style="background:{{element color|table header}}" |
|-
|[[Period 4 element|Period 4]]
|<sub>21</sub>[[Scandium|Sc]]
|<sub>22</sub>[[Titanium|Ti]]
|<sub>30</sub>[[Zinc|Zn]]
|-
|[[Period 5 element|Period 5]]
|<sub>39</sub>[[Yttrium|Y]]
|<sub>40</sub>[[Zirconium|Zr]]
|<sub>48</sub>[[Cadmium|Cd]]
|-
| [[Period 6 element|Period 6]]
|<sub>57</sub>[[Lanthanum|La]]
|<sub>72</sub>[[Hafnium|Hf]]
| <sub>80</sub>[[Mercury (Element)|Hg]]
|-
| [[Period 7 element|Period 7]]
|<sub>89</sub>[[Actinium|Ac]]
|<sub>104</sub>[[Rutherfordium|Rf]]