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radioactivity
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decay of beryllium-7 decay of hafnium-180 decay of K0 meson Figure 4: The decay of a particle of mass M into two particles the sum of whose rest masses is less than M (see text). Fission
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radioactivity: Facts & Related Content

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Facts

Also Known As disintegration • radioactive decay • nuclear disintegration

Photos

decay of beryllium-7
decay of hafnium-180
decay of K0 meson
Figure 4: The decay of a particle of mass M into two particles the sum of whose rest masses is less than M (see text).
Fission
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Key People

Ernest Rutherford
Ernest Rutherford
British physicist
Enrico Fermi
Enrico Fermi
Italian-American physicist
Marie Curie
Marie Curie
Polish-born French physicist
Becquerel, Henri
Henri Becquerel
French physicist
Otto Hahn
Otto Hahn
German chemist
Pierre Curie
Pierre Curie
French chemist
James Chadwick
James Chadwick
British physicist
Zhores Aleksandrovich Medvedev with his twin brother, Roy
Zhores Medvedev
Soviet biologist and dissident
Geiger counter
Hans Geiger
German physicist
Henry Moseley
British physicist
Frederick Soddy
British chemist
Bertram Borden Boltwood
American chemist and physicist
Lise Meitner
Lise Meitner
Austrian physicist
Frédéric Joliot-Curie
French chemist
Irène Joliot-Curie
French chemist