That doesn’t make this gas any less heroic though: during the Cold War, its radioactive isotope ... Antimony has probably the most chequered past of all the elements on this list.

Plutonium, a radioactive element, is produced when uranium, another radioactive element, absorbs neutrons, and most of it is artificially produced, except for a small amount found in uranium ore.

The roof of the power plant, they argue, has become "the most dangerous place on earth ... The researchers detected "elevated levels" of radioactive elements like americium, cesium, and ...

These radioactive elements in minerals and ores originally found in the environment ... It can in a solid, a liquid or a gas form. The processes most often associated with processing of NORM with ...

AT the beginning of this century, one of the facts most intriguing to chemists was the impossibility of concentrating some of the radioactive elements. Radium D, for example, a substance well ...

Exotic elements such as Thorium ... workers ended the production of hot camera lenses. Thorium is the most abundant radioactive material on Earth, but it eventually turns into lead.

For example, most carbon (≈ 99 %) has 6 protons and 6 neutrons ... Stable isotopes do not decay into other elements. In contrast, radioactive isotopes (e.g., 14C) are unstable and will decay into ...