In 1843, Leopold Gmelin worked with the Dobereiner’s system and developed a table of 55 elements that contained many of the similar relationships later found in the modern periodic ... Firth College ...

Watch this video to find out more information on the periodic table close ... element. The periodic table can be read across from left to the right along the rows horizontally. It can also be read ...

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 ...

If you're stuck solving the periodic table puzzle in the Blue Prince Laboratory, we have all the hints you need to figure it out.

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods.