RADIOACTIVE ELEMENTS. The discovery of the radio-active elements has naturally led to the question as to what relationship they bear to the other elements in the Periodic Table. There could be no ...

That doesn’t make this gas any less heroic though: during the Cold War, its radioactive isotope Kr ... the most chequered past of all the elements on this list. Its first known use was quite ...

Radioactive Elements.—The continuity of the periodic ... GROUP 8 — Fe, Co, Ni; Ru, Rh, Ru; Os, Ir, PT. Fig. 3. The periodic table of the elements This figure is a tabular arrangement of ...

An alternative periodic table of elements focusing on highly charged ions reveals new science that could support the quest ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

Heavy actinides—elements at the bottom of the periodic table, after plutonium—are radioactive, rare and chemically complex, making them notoriously difficult to study. Most studies conducted ...

ACS Publications journals Editors are joining in the IYPT celebrations with a series of videos exploring their relationship with the table. Is the periodic table hanging ... a newly discovered ...