The periodic table of the chemical elements is a tabular method of displaying the chemical elements, first devised in 1869 by the Russian chemist Dimitri Mendeleev. Mendeleev intended the table to ...

The periodic table shows all the atoms that everything in the known universe is made from. It’s kind of like the alphabet in which only 26 letters, in different combinations, make up many thousands of ...

The book makes the periodic table accessible so that students can make sense of the elements and remember the details, allowing them to see the world through the lens of science, even if science ...

A new version of the periodic table of elements has predicted hundreds of highly charged ions that could be used to create the next generation of optical atomic clocks.

In other words, it contains elements not on the periodic table at all. These elements would be stable around atomic number 164, which is far denser that Osmium, the densest known naturally ...

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The periodic table currently has 118 chemical elements (SN: 11/30/16). ... Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.