The periodic table was arranged by atomic mass ... and this explained further why Moseley’s X-rays corresponded so well with atomic number. The idea behind the explanation is that when an electron ...

After a breakdown in US-Russia relations, Riken finds itself ahead of its rivals. And Lawrence Berkeley National Laboratory ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

I picked up Racing Green by Kit Chapman, which I really enjoyed! So when I was interested in picking up more nonfiction, ...

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...

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 ...

The periodic table included promethium and three newly ... and the Radioisotope Processing Facility has been designed. Its opening behind the High Flux Isotope Reactor (HFIR) is planned for ...

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 ...

Mrs Roberts: Not quite. So, today we're going to look at the periodic table. That thing that you see behind your teacher on the wall in science lessons. It actually tells us a lot about the ...