atomic number 92

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Noun1.atomic number 92 - a heavy toxic silvery-white radioactive metallic elementatomic number 92 - a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
uranium 235 - a uranium isotope with mass number 235; capable of sustaining chain reactions
uranium 238 - the commonest isotope of uranium; it is not fissionable but when irradiated with neutrons it produces fissionable plutonium 239
pitchblende, uraninite - a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
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References in periodicals archive ?
Uranium!" Finally able to say the name of the silvery gray element with atomic number 92 out loud, they gleefully yelled it with reckless abandon.
The $450,000 instrument simultaneously captures digital photographs and X-ray images of samples, while detecting measurable amounts of any of 80 chemical elements from aluminum (atomic number 13) to uranium (atomic number 92) without breaking the surface of the core.
Indeed, new work by Nicolas Dauphas (University of Chicago) uses thorium and uranium (atomic number 92) to place the halo's age between 12.3 and 17.3 billion years.