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francium

[ UK /fɹˈɑːnsi‍əm/ ]
NOUN
  1. a radioactive element of the alkali-metal group discovered as a disintegration product of actinium

How To Use francium In A Sentence

  • These elements - lithium, sodium, potassium, rubidium, cesium and francium - all react with water to give solutions that change the color of a vegetable dye from red to blue.
  • 7: Nice touch of science, but it'd have to be a pretty high room temperature for cesium, francium, gallium and rubidium to melt--the lowest melting point among them is francium's 300 degrees Kelvin, which is 80.6 degrees Fahrenheit. Archive 2007-04-01
  • Due to its extremely short half-life, there's no reason for considering the effects of francium in the environment.
  • There is much less than an ounce of francium at any given time in the whole Earth.
  • Along the road to bismuth, a number of extremely high energy or otherwise dangerous alpha emitters will be present in the sample in small quantities: radium, actinium, thorium, francium, pollonium and radioactive lead, among others.
  • Only 20 atoms of francium exist at any given instant. Archive 2007-06-01
  • Along the way, these disintegration series produce radioactive isotopes of protactinium, thorium, actinium, radium, francium, radon, astatine, polonium, bismuth, lead, thallium and mercury.
  • The francium that does exist is found in trace amounts in uranium ores.
  • And phosphorus and francium and fluorine and terbium, Qulog 2.0
  • These elements - lithium, sodium, potassium, rubidium, cesium and francium - all react with water to give solutions that change the color of a vegetable dye from red to blue.
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