Many scientists worked on the problem of organizing the elements, but Dmitri Mendeleev published his first version of the periodic table in 1869, and is most often credited as its inventor. Since then ...

However, he is remembered for his search for a pattern in inorganic chemistry. Just four years before Mendeleev announced his periodic table, Newlands noticed that there were similarities between ...

Hover over elements in this interactive representation of our Elements of Success Periodic Table to see details. If an element doesn't have a sponsor, click on it to sponsor today.

I want to get the latest chemistry news from C&EN in my inbox ... The revisions slim down all three elements slightly: zirconium’s atomic weight changes to 91.222 ± 0.003 from 91.224 ± 0. ...

the book moves systematically from the general application of chemistry to medicine, through topics such as gravity, crystallization and electricity, to the detail of the actions of specific elements, ...

Since this podcast was first published, the name of this element has been ratified as flerovium (symbol Fl) by the International Union of Pure and Applied Chemistry (Iupac). The name recognises ...

Nature Chemistry - 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 ...

Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract electrons towards itself within a chemical bond. This vital theoretical ...

For all their nobility, elements ... get a seat at the table. But Ramsey established their position between halogens and alkali metals, and was awarded the Nobel Prize in Chemistry in 1904 for ...

The questions in this quiz are suitable for GCSE chemistry students studying the physical and chemical properties of group 0 elements (noble gases), group 1 elements (alkali metals) and group 7 ...

of~an~element} = \frac{mass~of~an~element~in~the~compound}{relative~formula~mass~M_r} \times 100\) There are six atoms of hydrogen in the compound, so the mass of hydrogen is 6 × 1 = 6.