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Curie, Marie

Curie, Marie (1867–1934)   Quick reference

World Encyclopedia

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Current Version:
2004
Subject:
Encyclopedias
Length:
117 words

..., Marie ( 1867–1934 ) Polish scientist who specialized in work on radiation . Marie and her husband Pierre Curie ( 1859–1906 ) (who specialized in the electrical and magnetic properties of crystals) worked together on a series of radiation experiments. In 1898 , they discovered radium and polonium . In 1903 , they shared the Nobel Prize in physics with A. H. Becquerel . In 1911 , Marie became the first person to be awarded a second Nobel Prize (this time for chemistry), for her work on radium and its compounds. She died of leukaemia caused by...

Becquerel, Antoine Henri

Becquerel, Antoine Henri (1852–1908)   Quick reference

World Encyclopedia

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Current Version:
2004
Subject:
Encyclopedias
Length:
69 words

.... He was professor of physics at the Paris Museum of Natural History, and later at the Ecole Polytechnique. In 1896 he discovered radioactivity in uranium salts, for which he shared the 1903 Nobel Prize in physics with Pierre and Marie Curie . The becquerel standard unit for measuring radioactivity, which has replaced the curie , was named after him. See also beta...

radium

radium   Quick reference

World Encyclopedia

Reference type:
Subject Reference
Current Version:
2004
Subject:
Encyclopedias
Length:
79 words

... ( symbol Ra ) White, radioactive, metallic element of the alkaline-earth metals , first discovered ( 1898 ) in pitchblende by French physicists Pierre and Marie Curie ; the metal is present in uranium ores. It is used in radiotherapy to treat tumours. Radium has 16 isotopes, which emit alpha, beta and gamma radiation, as well as heat. Radon gas is a decay product. Properties: at.no. 88; r.a.m. 226.025; r.d. 5.0; m.p. 700°C (1,292°F); b.p. 1,140°C (2,084°F); most stable isotope Ra 226 (half-life 1622 ...

France

France: c. 31,000 years ago - 2007  

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Current Version:
2012

...headed 'J'accuse!', drawing attention to the injustice done to Alfred Dreyfus Dreyfus Affair A Dictionary of Contemporary World History 3 19th century Europe 1898 1898 Marie Curie and her husband Pierre isolate a new element which they name polonium in honour of her native Poland polonium A Dictionary of Physics 6 19th century Science Chemistry Europe 1898 1898 Marie and Pierre Curie isolate the element radium, working without any protection because unaware of the danger of radioactivity radium A Dictionary of Public Health 1 19th century Science Chemistry...

Europe

Europe: c. 800,000 years ago - 2011  

Reference type:
Timeline
Current Version:
2012

...1898 British chemists William Ramsay and Morris Travers isolate the element xenon xenon A Dictionary of Chemistry 6 19th century Victorian era Britain 1750-1900 Science Chemistry Great Britain - from 1707 United Kingdom - from 1801 British Isles Britain 1898 1898 Marie Curie and her husband Pierre isolate a new element which they name polonium in honour of her native Poland polonium A Dictionary of Physics 6 19th century Science Chemistry France 1898 1898 French and British forces meet at Fashoda, in a potentially explosive incident in the scramble for Africa...

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