Word origin: The word technetium comes from the Greek technetos, artificial. Discovery: Technetium was the first element to be produced artificially. Element 43 was predicted on the basis of a gap in ...

For the first time, a research team from the University of Cologne has observed the electron capture decay of technetium-98, an isotope of the chemical element technetium (Tc). Electron capture decay ...

Technetium is essential for medical imaging, yet supplies of this short-lived radioactive synthetic element are far from guaranteed. Show more Technetium is essential for medical imaging, yet supplies ...

On October 10, 2006, Ken Moody answered selected viewer questions about the ongoing quest to forge new chemical elements and the search for a so-called Island of Stability. Please note we are no ...

Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. There are two areas that I find quite exciting. One is the ...

Technetium carbide does not exist -- it was pure technetium that was mistakenly considered as such, say physicists. This is important from the view point of chemistry of transition metal carbides ...

A SMALL quantity (0.11 gm.) of technetium-99 metal has recently been loaned to us by Oak Ridge Laboratories (U.S. Atomic Energy Commission) and we have taken the opportunity to measure the melting ...

Technetium is essential for medical imaging, yet supplies of this short-lived manmade element are far from guaranteed. We see a technetium scan in progress and a cow being milked, and hear the yarn of ...

ONE of the first inklings that chemistry has an underlying pattern was the discovery, early in the 19th century, of lithium, sodium and potassium—known collectively as the alkali metals. Though ...