|4.|| [[Kalium|<sub>19</sub>K]] || [[Calcium|<sub>20</sub>Ca]] || [[Scandium|<sub>21</sub>Sc]] || [[Titan|<sub>22</sub>Ti]] || [[Vanadium|<sub>23</sub>V]] || [[Chrom|<sub>24</sub>Cr]] || [[Mangan|<sub>25</sub>Mn]] || [[Eisen|<sub>26</sub>Fe]] || [[Cobalt|<sub>27</sub>Co]] || [[Nickel|<sub>28</sub>Ni]] || [[Kupfer|<sub>29</sub>Cu]] || [[Zink|<sub>30</sub>Zn]] || [[Gallium|<sub>31</sub>Ga]] || [[Germanium|<sub>32</sub>Ge]] || [[Arsen|<sub>33</sub>As]] || [[Selen|<sub>34</sub>Se]] || [[Brom|<sub>35</sub>Br]] || [[Krypton|<sub>36</sub>Kr]]
|-
|5.|| [[Rubidium|<sub>37</sub>Rb]] || [[Strontium|<sub>38</sub>Sr]] || [[Yttrium|<sub>39</sub>Y]] || [[Zirkonium|<sub>40</sub>Zr]] || [[Niob|<sub>41</sub>Nb]] || [[Molybdän|<sub>42</sub>Mo]] || [[Technetium|<sub>43</sub>Tc]] || [[Ruthenium|<sub>44</sub>Ru]] || [[Rhodium|<sub>45</sub>Rh]] || [[Palladium|<sub>46</sub>Pd]] || [[Silber|<sub>47</sub>Ag]] || [[Cadmium|<sub>48</sub>Cd]] || [[Indium|<sub>49</sub>In]] || [[Zinn|<sub>50</sub>Sn]] || [[Antimon|<sub>51</sub>Sb]] || [[Tellur|<sub>52</sub>Te]] || [[Iod|<sub>53</sub>I]] || [[Xenon|<sub>54</sub>Xe]]
|-
|6.|| [[Cäsium|<sub>55</sub>Cs]] || [[Barium|<sub>56</sub>Ba]] ||(6)|| [[Hafnium|<sub></sub>Hf]] || [[Tantal|<sub></sub>Ta]] || [[Wolfram|<sub></sub>W]] || [[Rhenium|<sub></sub>Re]] || [[Osmium|<sub></sub>Os]] || [[Iridium|<sub></sub>Ir]] || [[Platin|<sub></sub>Pt]] || [[Gold|<sub></sub>Au]] || [[Quecksilber|<sub></sub>Hg]] || [[Thallium|<sub></sub>Tl]] || [[Blei|<sub></sub>Pb]] || [[Wismut|<sub></sub>Bi]] || [[Pollonium|<sub></sub>Po]] || [[Astat|<sub></sub>At]] || [[Radon|<sub></sub>Rn]]
|-
|7.|| [[Francium|<sub></sub>Fr]] || [[Radium|<sub></sub>Ra]] ||(7)|| [[Rf|<sub></sub>Rf]] || [[Db|<sub></sub>Db]] || [[Sg|<sub></sub>Sg]] || [[Bh|<sub></sub>Bh]] || [[Hs|<sub></sub>Hs]] || [[Mt|<sub></sub>Mt]] || [[Darmstadtium|<sub></sub>Ds]] || [[Roentgenium|<sub></sub>Rg]] || [[Ununbium|<sub></sub>Uub]]
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