francium वाक्य
उदाहरण वाक्य
मोबाइल
- :: : Rubidium and francium will auto ignite in air, and most definitely " are " flammable.
- The next element below francium ( eka-francium ) in the periodic table would be ununennium ( Uue ), element 119.
- The next element below francium ( eka-francium ) in the periodic table would be ununennium ( Uue ), element 119.
- This low solubility played an important role in the characterization of francium as an alkali metal, as francium perchlorate coprecipitates with caesium perchlorate.
- This low solubility played an important role in the characterization of francium as an alkali metal, as francium perchlorate coprecipitates with caesium perchlorate.
- The greatest quantity of francium ever assembled to date is about 300, 000 neutral atoms, which were synthesised using the nuclear reaction given above.
- However, since francium and the transuranium elements were discovered during or after the split, they have different names in Taiwan and in Mainland China.
- Whilst francium and radium do show typical properties of their respective groups, actinides display a much greater variety of behaviour and oxidation states than the lanthanides.
- Ironically she hoped that francium would help diagnose cancer, but in fact it itself was carcinogenic, and Perey developed bone cancer which eventually killed her.
- If you're not sure where to look, you can start with the articles on each of those substances : Neon, Argon and Francium.
- There are two methods of displaying an specific isotope : The " superscript " method : 221 Fr and the " longhand " method : Francium-221.
- I am currently confused on some original research issues on francium and francium hydroxide .-- talk ) 03 : 02, 3 March 2013 ( UTC)
- I am currently confused on some original research issues on francium and francium hydroxide .-- talk ) 03 : 02, 3 March 2013 ( UTC)
- 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.
- 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.
- :: : I think you're vastly underestimating the difficulty of assembling and manipulating a macroscopic quantity of francium & mdash; even a microscopic macroscopic quantity.
- 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.
- :: : This source estimates the enthalpy of formation ( that is, how much energy is released or required when making given amount ) of francium hydroxide hydrates.
- 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.
- If anyone finds a reference specifically discussing the issue of the electronegativity of francium, please add it ! .-- Itub 08 : 47, 12 April 2007 ( UTC)
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