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 ...

The ACS is making educational resources available by topic to aid parents and teachers during this time of distance learning. The Periodic Table is an amazing chemistry tool that is organized with ...

The questions in this quiz are suitable for GCSE chemistry students studying Mendeleev's periodic table, electronic structure and the modern periodic table. If you struggled with the quiz ...

However, he is remembered for his search for a pattern in inorganic chemistry. Just four years before Mendeleev announced his periodic table, Newlands noticed that there were similarities between ...

Research on moscovium and nihonium shows they are more reactive than flerovium and subject to notable relativistic effects, ...