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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 missing ...

For now, they're known by working names, like ununseptium and ununtrium — two of the four new chemical elements whose discovery has been officially verified. The elements with atomic numbers 113, 115, ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. This year is the International Year of the Periodic Table of Chemical Elements—and today (March 6), the modern version ...

Memorizing the periodic table doesn’t have to be overwhelming. With the right mix of structure, memory tricks, and active practice, you can turn it into an engaging challenge. From chunking elements ...

It’s now time to say hello, officially, to the four new additions to the Periodic Table of Elements. This week, the International Union of Pure and Applied Chemistry (IUPAC) approved the names of the ...

A computer graphic shows how the collision of calcium ions and berkelium atoms produces atoms of Element 117. (Credit: University of California Television) The scientific body in charge of chemistry’s ...

In Cambridge, Massachusetts, right near the MIT campus, there’s a great little bar called “Miracle of Science.” It’s as if someone took everything from my science-outreach-filled dreams and made it a ...

How far into the periodic table could you get? Would you be breaking any laws? At what point would your periodic table start killing you? If you’re willing to spend $1,700, you could actually buy a ...

The periodic table has become an icon of science. Its rows and columns provide a tidy way of showcasing the elements — the ingredients that make up the universe. It seems obvious today, but it wasn’t ...

You know the periodic table that hung on the wall of every science class you took at school? As of today, it’s wrong. Or more precisely, it's inaccurate. One of the biggest changes in decades is set ...