The periodic table of elements (often known simply as the periodic table) has been helping scientists with their work for a little over 150 years. The handy visual reference guide organizes known ...

Many scientists worked on the problem of organizing the elements, but Dmitri Mendeleev published his first version of the periodic table in 1869, and is most often credited as its inventor. Since then ...

A breakthrough in heavy-element chemistry shatters long-held assumptions about transuranium elements. Researchers have ...

The periodic table can be read across from left to ... Melting points are a physical property of an element. The first Group 1 element, lithium, has the highest melting point at 180°C.

1. Periodic Table as Arranged by Mendelejeff attention to the fact that “the eighth element, starting from a given one, is a kind of repetition of the first, like the eighth note of an octave in ...

Key TakeawaysScientists have discovered "berkelocene," the first organometallic molecule to be characterized containing the ...

The pioneering nuclear chemist Glenn Seaborg discovered berkelium at Berkeley Lab in 1949. It was one of many achievements ...

That’s why this periodic table clock really caught our eye. [gocivici]’s idea is a simple one: light up three different elements with three different colors for hours, minutes, and seconds ...