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 ...
Meyer's roots, however, were firmly in Germany. Meyer was just four years older than Mendeleev, and produced several Periodic Tables between 1864-1870. His first table contained just 28 elements, ...
The periodic table is a well-organized chart that contains all the known elements in the universe. These elements are ...
The periodic ... periodic table goes to Dmitri Mendeleev, a Russian chemist, in 1869. While several scientists before him had attempted to classify elements, Mendeleev was the first to organize ...
But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...
For the last fifty or so years, the periodic table has been incomplete. Elements after uranium on the periodic table have been synthesized for the past few decades, but there were always a few ...
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 ...
Copper has been used by humans for as much as 7000 years and elements such as gold, silver, tin, lead and mercury have been known for many thousands of years. However, the first scientific ...