barium chemical element with first ionization energy atomic mass and electronegativity scientific background |
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| navigate by keyword : vector chemical element illustration barium periodic symbol table background black silver frame chemistry education science laboratory mass atomic atom graphic physics scientific sign design icon mendeleev school technology isolated lab white flat molecule electron material structure number weight proton information style metal elements poster molecular natural medical |
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| Barium chemical element with first ionization energy, atomic mass and electronegativity values on scientific background |
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