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Isotope

en.wikipedia.org/wiki/Isotope

The existence of isotopes was first suggested in 1913 by the radiochemist ... F. W. Aston subsequently discovered multiple stable isotopes for numerous ...

isotope | chemistry | Britannica.com

www.britannica.com/science/isotope

Jul 2, 2014 ... Isotope, one of two or more species of atoms of a chemical element with the ... Evidence for the existence of isotopes emerged from two ... In particular, ores of the radioactive elements uranium and thorium had been found to ...

isotope - The Worlds of David Darling

www.daviddarling.info/encyclopedia/I/isotope.html

Nearly all elements found in nature are mixtures of several different isotopes. ... isotope exists in each element, and to explain the values of atomic weights of the  ...

Isotope

abyss.uoregon.edu/~js/glossary/isotope.html

An isotope is one of two or more species of atoms of a chemical element with the ... that isotopy might exist in the main group of naturally occurring stable elements . ... This success was followed by the discovery that chlorine had two isotopes.

Isotopes Facts, information, pictures | Encyclopedia.com articles ...

www.encyclopedia.com/topic/Isotopes.aspx

Due to their high levels of radioactivity, they exist only for extremely short periods of time. ... The discovery of these particles, integral to the formation of isotopes, ...

ISOTOPE

dwb.unl.edu/teacher/nsf/c04/c04links/www.fwkc.com/encyclopedia/low/articles/i/i012001292f.html

Thomson found two isotopes of neon, one of mass number 20 and another of .... Uranium-235 exists in naturally occurring uranium to the extent of 7 parts to ...

Who Discovered the Isotope? | eHow

www.ehow.com/about_4678737_discovered-isotope.html

The discovery of the isotope brought with it the possibility of breaking chemical elements into many small, isolated components that could be used in different ...

Why do isotopes exist? - Ask.com

www.ask.com/science/isotopes-exist-75941fa0d3c396eb

Isotopes exist because the atomic nuclei of many elements are stable or somewhat ... Most radioactive isotopes are so unstable that they are not found in nature, ...

Isotopes: Soddy - Le Moyne

web.lemoyne.edu/giunta/ea/SODDYann.HTML

To express this newly discovered complexity of matter, the terms "isotopic ... Whilst, to detect the non-homogeneity if it exists, the new positive ray method of Sir ...

Technetium - Chemicool

www.chemicool.com/elements/technetium.html

Technetium was once thought to exist only in samples produced in the laboratory . ... They found several technetium isotopes in the sample which were all ...

Popular Q&A
Q: Who Discovered the Isotope?
A: The discovery of the isotope brought with it the possibility of breaking chemical elements into many small, isolated components that could be used in different ... Read More »
Source: www.ehow.com
Q: Who Discovered the Isotope?
A: The term isotope was first used by Scottish doctor Margaret Todd in a conversation with her cousin, renowned chemist F.Soddy, in 1913. F. Soddy is believed to h... Read More »
Source: www.ehow.com
Q: Who discovered isotopes in chemistry?
A: The first hypothesis on isotopes is from Frederick Soddy (1912) the practical confirmation is attributed to J. J. Thomson (1913) Read More »
Source: wiki.answers.com
Q: Who discovered isotope?
A: The first hypothesis on isotopes is from Frederick Soddy (1912) the practical confirmation is attributed to J. J. Thomson (1913) Read More »
Source: wiki.answers.com
Q: Who discovered Isotopes properties.
A: J.J. Thomson. Read More »
Source: www.answers.com