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 ...

I picked up Racing Green by Kit Chapman, which I really enjoyed! So when I was interested in picking up more nonfiction, ...

Mendeleev countered this somewhat in his book The Principles of Chemistry in ... atomic number rather than their atomic weight. Today the periodic table is the starting point for understanding ...

The periodic table, also known as the periodic table of (the) chemical elements, is a tabular display of the chemical elements. It is widely used in chemistry, physics, and other sciences, and is ...