A new model rectifies the long-standing deficiencies of the electronegativity concept.

the three stars weighs about as much as our Moon. The observations show that these “Lead stars” — all members of binary stellar systems — have been more enriched with Lead than with any other chemical ...

Since the turn of the century, six new chemical elements have been discovered and subsequently added to the periodic table of elements, the very icon of chemistry. These new elements have high atomic ...