On April 4th, responding to Donald Trump’s tariffs, China restricted sales to America of seven rare earths. The move forces ...

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 ...

For example, oxygen is O.Others aren’t as straightforward. For example, the element symbol for iron is Fe, from the latin word ferrum for iron. On the periodic table, metals are found on the ...

As part of the ChemClub's 10 th Anniversary (2015-2016), we asked clubs to create elements of the periodic table featuring a mole. To celebrate the International Year of the Periodic Table (IYPT) in ...

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 ...

Periodic Table as Arranged by Mendelejeff attention ... similar to that exhibited by the elements themselves. Thus Na, O is strongly basic, MgO less so, Al, O3 combines with acids to form salts ...

At the heart of our biological composition are four elements: oxygen (O), carbon (C), hydrogen ... These are almost one-quarter of the periodic table and are mainly found in the first four ...

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Heavy ligands such as polyoxometalates are opening a new frontier in actinide chemistry. Studying materials that are both ...

There are currently 118 known elements on the periodic table, and we've put 20 of them below to create a brain game that ...

All of them were originally “missing” from a nearly completed row in the periodic table – the organized array of all the chemical elements in order of increasing atomic number. That’s the ...