“I ask you,” the email to C&EN read, “is astatine more like a halogen or like a metal? This question awakens the inorganic chemist in everyone.” Whether or not you feel the same enthusiasm as the ...

A fundamental property of the rarest element on Earth, astatine, has been discovered for the first time, scientists say. Subscribe to read this story ad-free Get unlimited access to ad-free articles ...

Scientists have carried out ground-breaking experiments to investigate the atomic structure of astatine (atomic number 85), the rarest naturally occurring element on Earth. Through experiments ...

Astatine is the rarest naturally occurring element on Earth and one of the least studied within the periodic table, mostly because it lives up to its name, which is the Greek word for "unstable." ...

Studying the infinitesimally rare element astatine can feel like chasing shadows. All of its isotopes are radioactive, the most stable having a half-life of 8 hours, and the estimated stock of ...

Get unlimited access to ad-free articles and exclusive content. LiveScience A fundamental property of the rarest element on Earth, astatine, has been discovered for the first time, scientists say.

Researchers gain new insights into how the isotope astatine-211 interacts with resins commonly used to purify the isotope for therapeutic use Targeted Alpha Therapy (TAT) is one of the most powerful ...

Excerpted from A Tale of 7 Elements, by Eric Scerri. Reprinted with permission of Oxford University Press, June 2013. The story surrounding element 85 is one of the most complex and interesting among ...

A team of researchers using the ISOLDE nuclear-physics facility at CERN has measured for the first time the so-called electron affinity of the chemical element astatine, the rarest naturally occurring ...

An experiment performed in the Accelerator Laboratory of University of Jyväskylä, Finland, has succeeded in producing a previously unknown atomic nucleus, 190-Astatine, consisting of 85 protons and ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

A fundamental property of the rarest element on Earth, astatine, has been discovered for the first time, scientists say. Astatine occurs naturally; however, scientists estimate much less than an ounce ...