[DOC] [TLE] The Discovery of Polonium and Radium - American Institute of Physics [PAR] This pitchblende sample was instrumental in the discovery of radium and ... be 
due to one or more additional, as yet undiscovered, radioactive elements. ... 
Marie and Pierre used the Curie electrometer to identify the most radioactive 
fractions. [DOC] [TLE] Marie and Pierre Curie and the Discovery of Polonium and Radium [PAR] Dec 1, 1996 ... Marie and Pierre Curie and the Discovery of Polonium and Radium .... It was also 
in this work that they used the term radioactivity for the first time. .... tons of 
pitchblende in order to extract a tiny amount of a magical element. [DOC] [TLE] Marie Curie and the radioactivity, The 1903 Nobel Prize in Physics [PAR] She noted that the uranium ore pitchblende emitted much more radioactivity than 
the ... In 1898, they discovered two new elements - polonium and radium. [DOC] [TLE] A Short History of Polonium and Radium - Chemistry International ... [PAR] Feb 15, 2011 ... Marie Curie, in a biography of Pierre Curie, confirmed, we felt the investigation of 
... However, within eight months in 1898 she discovered two elements, polonium 
and radium, founding a new scientific fieldradioactivity. ... substance we 
recovered from pitchblende contains a heretofore unknown element,... [DOC] [TLE] Marie and Pierre Curie and Radioactive Radium - Awesome Stories [PAR] Marie and Pierre Curie were married scientists who discovered radium (on 
December ... of the elements radium and polonium in their research of 
pitchblende. [DOC] [TLE] The Curies - NDE/NDT Resource Center [PAR] The Curies started looking for these other elements, and in 1898 they discovered 
another radioactive element in pitchblende. They named it `polonium' in honor... [DOC] [TLE] Marie Curie - Wikipedia [PAR] Marie Skodowska Curie born Maria Salomea Skodowska [marja .... In 1896, 
Henri Becquerel discovered that uranium salts emitted rays that ... and by 1898 
she discovered that the element thorium was also radioactive. ... doubt, the 
Curies sought to isolate polonium and radium in pure form. [DOC] [TLE] Marie Curie (1866-1934) - Planet Science [PAR] She called them polonium, after her home country of Poland, and radium 
because it was radioactive. ... But how did she discover another radioactive 
element? ... As no trace of uranium could be found in pitchblend, she knew it 
must contain... [DOC] [TLE] It's Elemental - The Element Polonium [PAR] Polonium was discovered by Marie Sklodowska Curie, a Polish chemist, ... She 
reasoned that pitchblende must contain at least one other radioactive element. [DOC] [TLE] Discovery of Radioactivity - Boundless [PAR] Marie and Pierre Curie discovered two new radioactive elements, which Marie 
named polonium and radium. ... In 1896, the French physicist Antoine Henri 
Becquerel accidentally found that a uranium-rich mineral called pitchblende 
emitted... [DOC] [TLE] Polonium, Chemical Element - uses, elements, metal, number, name ... [PAR] Polonium was discovered in 1898 by Polish-French physicist Marie Curie ... 
looking for the source of radioactivity in a naturally occurring ore called 
pitchblende. [DOC] [TLE] Curies isolate radium - Apr 20, 1902 - HISTORY.com [PAR] On this day in History, Curies isolate radium on Apr 20, 1902. ... she studied the 
mineral pitchblende, of which uranium is the primary element, and ... Pierre Curie 
joined her in her research, and in 1898 they discovered polonium, named after ... 
marie curie, radium, polonium, radioactivity, elements, the nobel prize in physics
... [DOC] [TLE] Radioactivity - scbk04-01 [PAR] Marie Curie's discovery of two naturally radioactive elements, polonium and ... In 
1898 Marie was given a puzzling uranium mineral ore called pitchblende,... [DOC] [TLE] C&EN: IT'S ELEMENTAL: THE PERIODIC TABLE - POLONIUM [PAR] History: Discovered by Marie and Pierre Curie in 1898 while studying a material 
... In their work with pitchblende, the Curies next identified radium (named after 
the Latin ... Though polonium was the first highly radioactive element the Curies... [DOC] [TLE] How did Marie Curie discover radium? | Reference.com [PAR] Marie Curie discovered radium by carefully isolating radioactive elements in a ... 
Marie Curie's discovery of radium and another element, polonium, was

Question: The Curies discovered polonium & this radioactive element in pitchblende
Answer: Radium