black background the chemical elements periodic table atomic number weight name and symbol element |
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navigate by keyword : actinides alkali atom atomic background black chart chemical chemistry color earth education element elements gas graphic group halogen hydrogen illustration information inorganic laboratory lanthanide malleable material mendeleev metal metalloid name noble nonmetal number oxygen period periodic physics school science scientific substance symbol table technology transition vector weight |
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Black background of the chemical elements of the periodic table, atomic number, atomic weight, name and symbol of the element vector |
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