gallium periodic table element |
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| navigate by keyword : francium science education laboratory element periodic scientific icon vector table symbol atom atomic mass weight number lab mendeleev physics school chemistry chemical material structure electron molecule molecular name technology radioactive alkali metal rare decay isotopes nuclear fuel cesium rubidium isometric object grey gray |
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| Francium, Fr, gray 3D isometric illustration of periodic table element with name, symbol, atomic number and weight. Alkali metal with no known commercial or industrial uses, but has been used in scientific research. |
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