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 ...

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 ...

The story of the last element to be discovered out of the first 92 catalogued in the periodic table is told by Eric Scerri, who reminds us that technetium can be found a little closer to home than ...

The series is based mostly on a talk last fall by Jim Roberto ... Russian Federation, added elements 104 to 106 to the periodic table. In 1964 the first superheavy element created was ...

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 periodic table is an arrangement of all the known elements, from hydrogen to oganesson. While collecting the whole lot (even if some only last for microseconds before decaying) may seem like a ...

Today, 13.8 billion years after the Big Bang, stars have converted about 2 per cent of the universe’s hydrogen and helium into other elements ... guide to the periodic table “There ...

The periodic table of elements—also known as Mendeleev’s table—was developed in 1869 by Russian chemist Dmitri Mendeleev. It organizes all known chemical elements by their atomic number ...

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 ...

You interact with about two-thirds of the elements of the periodic table every day. Some, like carbon, oxygen, and nitrogen, make up our bodies and the air we breathe. Yet there is also a class of ...