periodic table the elements |
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| navigate by keyword : actinides adjacent aid alkali alkaline all arrrangement artificially atom atomic black blue character charge chemical chemistry earth elements formation gases groups halogens lanthanides learn learning mendeleev metals noble nonmetals nuclear number organisation organization periodic periods physically physics position positioning pse radioactive rectangular red row science semimetals sort structure symbol table tabular transition vector |
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| 118 chemical elements, organized on the basis of their atomic numbers. Isolated on white background. |
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