Answer: a white, radioactive metallic chemical element that weighs more than any
other element in nature
uranium:
Uranium is a chemical element with the symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons of which 6 are valence electrons. Uranium is weakly radioactive because all isotopes of uranium are unstable; the half-lives of its naturally occurring ...
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Uranium is a radioactive element with atomic symbol U atomic number 92 and atomic weight 238. NCI Thesaurus (NCIt) Uranium radium and radon are naturally occurring radionuclides found in the environment. No information is available on the acute (short-term) noncancer effects of the radionuclides in humans.
Uranium is a heavy metal which has been used as an abundant source of concentrated energy for over 60 years. Uranium occurs in most rocks in concentrations of 2 to 4 parts per million and is as common in the Earth's crust as tin tungsten and molybdenum. Uranium occurs in seawater and can be recovered from the oceans.
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What is Uranium ? Uranium is a weakly radioactive element with an atomic number 92 and symbol U in the periodic table.; Uranium is one of the heavy metals that can be utilized as a rich source of concentrated energy.
Uranium is a dense hard metallic element that is silvery white in colour. It is ductile ma...