background the periodic table chemical elements with their atomic number weight element name and symbol |
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navigate by keyword : actinides alkali atom atomic background chart chemical chemistry color earth education element elements gas graphic green 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 their transition vector weight |
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Background of the periodic table of the chemical elements with their atomic number, atomic weight, element name and symbol on a green background vector |
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