Phrase by 'Irene Joliot-Curie'

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Each emission of an alpha or beta ray accompanies the transmutation of an atom; the energy communicated to these rays comes from inside the atom.

Author: Irene Joliot-Curie - French Scientist
  Energy , Inside , Alpha , Rays


We have shown that it is possible to create a radioactivity characterized by the emission of positive or negative electrons in boron and magnesium by bombardment with alpha rays.

Author: Irene Joliot-Curie - French Scientist
  Possible , Positive , Negative , Create


The time necessary for the disappearance of half the atoms, called the half-life, is a fundamental characteristic of each radio-element; according to the substance, the value of the half-life varies between a fraction of a second and millions of years.

Author: Irene Joliot-Curie - French Scientist
  Time , Value , Half , Years


It was at the beginning of 1934 while working on the emission of these positive electrons that we noticed a fundamental difference between that transmutation and all the others so far produced; all the reactions of nuclear chemistry induced were instantaneous phenomena, explosions.

Author: Irene Joliot-Curie - French Scientist
  Others , Beginning , Positive , Chemistry


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