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 ...

Join us as we celebrate throughout the year by showing how chemical elements are central to "linking cultural ... whilst also celebrating the genesis and development of the periodic table over the ...

The periodic table has 118 elements in total, and it seems to be expanding constantly. Just last year, they added elements 113, 115, 117, and 118: nihonium (Nh), moscovium (Mc), tennessine (Ts ...

The main groups are numbered from 1 to 7 going from left to right, and the last ... elements in group 0 are unreactive non-metals. The zigzag, staircase, line in the diagram of the periodic table ...

it was clear seven elements were missing from the periodic table between hydrogen with atomic number 1, and uranium, number 92. Francium, number 87, was the last of these elements to be discovered in ...

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 ...

But Oganessian had landed when he first made element 114, after dreaming about it for decades. Last spring it was formally admitted to the periodic table and given a name: flerovium. (Element 116 ...

The Periodic Table of Elements. Each entry contains the atomic number, chemical symbol, and atomic mass to two decimal places on elements where data is available. Undefined cells contain a space. Row ...

The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev in 1869. At the time, it included the known elements and their properties, but Mendeleev predicted ...

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 ...