This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today. He announced his structure in 1869, but the challenge of ...

On the periodic table, which contains 118 elements ... They don't stay diatomic for long. Only the seven diatomic elements form strong bonds and appear in this form almost always.

The answer, at first, is boring: it’s a simple no. But the reasons why you cannot are complex and varied – some come from the ...

For the last fifty or so years, the periodic table has been incomplete. Elements after uranium on the periodic table have been synthesized for the past few decades, but there were always a few ...

Unless you currently work in a field that involves science (or you crack chemistry jokes regularly), the days of memorizing ...

After a breakdown in US-Russia relations, Riken finds itself ahead of its rivals. And Lawrence Berkeley National Laboratory ...

Experimental observations of the half life of rutherfordium-252 demonstrate that its stability lies well within the limits ...

The position of an element on the periodic table provides information about its ... of metals for you to classify it as a metal! As long as it has most metal properties, you can be confident ...

Group 7 of the periodic table is something ... was first formed has long since decayed radioactively. We know this because even the longest-lived isotope of the element has a half-life that ...

One possible resolution comes from considering the long-form or 32 column wide periodic table, as compared with the more usual 18 element wide or medium-long form. If one tries to construct the ...