Today the periodic table is the starting point for understanding chemistry. On the wall of every laboratory or school chemistry department you are likely to find hung a copy where chemists and student ...

Watch this video to find out more information on the periodic table close periodic tableA table which lists all of the chemical elements and arranges them in a way that is useful. It allows us to ...

Although metal ions are central to all of biochemistry, a group of elements clustered in the early part of the periodic table—carbon, nitrogen, oxygen and phosphorus—are highly represented in ...