Since the invention of the periodic table 150 years ago this month, scientists have worked to fill in the rows of elements and make sense of their properties. But researchers have also pursued a ...

The periodic table contains more than a hundred chemical elements, the basic building blocks of the everything around us — living and non-living. The atomic number of an element is determined by how ...

All the elements in the Periodic Table are made from different atoms, and the structure of these atoms results in a gamut of phenomena from radioactive decay to nuclear power. When you purchase ...

Chemists use symbols and formulae to represent elements and compounds. Word equations and balanced chemical equations represent the changes that happen in chemical reactions. Mixtures - AQA There are ...

The heaviest recognized chemical element with the atomic number 112 was discovered at the GSI Helmholtzzentrum für Schwerionenforschung and -- since February 19, 2010, -- officially carries the name ...

AN important result of the development of Moseley's atomic number rule has been the impetus it has given to the search for missing elements. It is true that later arrangements of the Periodic Table ...