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 ...

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 ...

Periodic Table as Arranged by Mendelejeff attention ... Kr 82.92 (38) Cu 63.67 (S9) Zn, 68.37 (SO,) Ga 69.9 (81) Ge 72.8 (82) As 74.96 (88) Se 79.2 (S4) Br 79.92 (35) Rb 86.4 8 (37) Sr 87.63 ...

A cocrystal structure of the enzyme that synthesizes selenocysteine reveals the elegantly simple recognition mechanism for the tRNA molecule for this '21 st amino acid'. The structure resolves ...

Can France claim the first periodic table? Probably not, but a French Geology Professor made a significant advance towards it, even though at the time few people were aware of it. Alexandre Béguyer de ...

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 ...

Currently, there are 118 elements on the periodic table. If a new element is discovered, naming it involves several factors. Elements can be named after how they were obtained, their attributes, the ...

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 ...

Yes! I want to get the latest chemistry news from C&EN in my inbox every week. ACS values your privacy. By submitting your information, you are gaining access to C&EN and subscribing to our weekly ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more.

Apple is developing a new version of the iPhone SE, which is expected to feature some major changes. In addition to a new, larger size, Apple will also do away with Touch ID, and add support for ...