These elements are organized in the periodic table based on their atomic numbers, which increase sequentially from 1 (Hydrogen) to 118 (Oganesson). Each element has unique chemical properties and ...

Since then, the periodic table has evolved to reflect over 150 years of scientific development and understanding in chemistry and physics. Today, with 118 known elements, it is widely regarded as one ...

These elements, with atomic numbers of 113, 115, 117, and 118 comprise the missing parts of period 7 – the lowest row – of the periodic table. Now, IUPAC, the International Union of Pure and ...

Click on the images below to automatically tweet the element infographics. Download the PDFs to make your own wall displays or education resources. We've also created a range of IYPT-themed, ...

There are currently 118 known elements listed on the periodic table; from hydrogen, which has a single proton in its nucleus, ...