francium वाक्य

उदाहरण वाक्य

1. There are two methods of displaying an specific isotope : The " superscript " method : 221 Fr and the " longhand " method : Francium-221.
2. I am currently confused on some original research issues on francium and francium hydroxide .-- talk ) 03 : 02, 3 March 2013 ( UTC)
3. I am currently confused on some original research issues on francium and francium hydroxide .-- talk ) 03 : 02, 3 March 2013 ( UTC)
4. Outside the laboratory, francium is extremely rare, with trace amounts found in uranium and thorium ores, where the isotope francium-223 continually forms and decays.
5. Outside the laboratory, francium is extremely rare, with trace amounts found in uranium and thorium ores, where the isotope francium-223 continually forms and decays.
6. :: : I think you're vastly underestimating the difficulty of assembling and manipulating a macroscopic quantity of francium & mdash; even a microscopic macroscopic quantity.
7. Whilst francium and radium do show typical properties of Groups 1 and 2 respectively, the actinides display a much greater variety of behaviour and oxidation states than the lanthanides.
8. :: : This source estimates the enthalpy of formation ( that is, how much energy is released or required when making given amount ) of francium hydroxide hydrates.
9. Studies on the light emitted by laser-trapped francium-210 ions have provided accurate data on transitions between atomic energy levels, similar to those predicted by quantum theory.
10. If anyone finds a reference specifically discussing the issue of the electronegativity of francium, please add it ! .-- Itub 08 : 47, 12 April 2007 ( UTC)