1896, Becquerel, the discovery of radioactivity Amazing! Some higher elements emit x rays. Some even glow in the dark! My kids will love this stuff! ,.f<92 M7< A// “从 -y4 图33第一张铀辐射照片 The uranium salt produced an intense silhouette of itself on the photographic plate I Bq=l DPS
1896 , Becquerel, the discovery of radioactivity The uranium salt produced an intense silhouette of itself on the photographic plate 1 Bq = 1 DPS
Marie and pierre curie 1898, named the emissions(alpha &e beta) from uranium radioactivity Discovered the chemical elements radium and polonium 1Ci=3.7x1010Bq
Marie and Pierre Curie 1898, named the emissions (alpha & beta) from uranium radioactivity Discovered the chemical elements radium and polonium 1 Ci = 3.7x1010 Bq
Radioactivit t1a=0.9s Ernest Hitherto 多 determined there wer Alpha 3 kinds of radi Decay 263s 259f 157 14155+4He The Rutherford Legacy tz=5730 100 Beta Decay +e +v 12 109s Gamma Decay y 152Dy86 152Dy26+Y
Radioactivity Ernest Rutherford determined there were 3 kinds of radioactivity
Enrico Fermi (1901-1954) First Atomic Pile Areaslect i thwN a the tirat pl saa nait termit d Che designed the first atomic pile and produced the first nuclear chain reaction on Dec. 2, 1942(birth of the reactor)
Enrico Fermi (1901-1954) First Atomic Pile designed the first atomic pile and produced the first nuclear chain reaction on Dec. 2, 1942 (birth of the reactor)
Nobel Prizes in nuclear science Name(s) Discovery Year Henri Becquerel, Pierre Discovered spontaneous radioactivity 1903 Curie and Marie Curie Ernest rutherford Work on the disintegration of the elements and 1908 chemistry of radioactive elements (chem) Marie curie Discovery of radium and polonium 1911 (chem) Frederick Soddy Work on chemistry of radioactive substances 1921 including the origin and nature of radioactive (chem Isotopes Francis Aston Discovery of isotopes in many non-radioactive 1922 elements, also enunciated the whole-number rule of (chem atomic masses Charles wilson Development of the cloud chamber for detecting 1927 charged particles Harold urey Discovery of heavy hydrogen( deuterium) (chem) Frederic Joliot and Irene Synthesis of several new radioactive elements 1935 Joliot-Curie (chem)
Nobel Prizes in Nuclear Science