protactinium |
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| navigate by keyword : protactinium 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 metallic actinide transuranium decay isotopes nuclear fuel reactor universe substance period quantum blue thin research label |
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| Protactinium, Pa, periodic table element with name, symbol, atomic number and weight. Synthetic radioactive element with potential uses in scientific research and nuclear power. |
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