copper chemical element with first ionization energy atomic mass and electronegativity values scientific background |
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| navigate by keyword : chemical element copper periodic sign table atomic number icon symbol chemistry scientific mendeleev medical mass laboratory science illustration school technology physics flat education design atom graphic system style vector weight isolated information background health healthy material mineral food natural structure proton vitamin research nutrition electron dot metal abstract quantum |
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| Copper chemical element with first ionization energy, atomic mass and electronegativity on scientific background |
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