This table includes all 118 known elements, providing their names, symbols, and atomic numbers. Image Source: yourdictionary.com Classification of Elements of Periodic Table Elements are grouped ...

The formula H₂O shows that water is made from two atoms of hydrogen (H) bonded to one atom of oxygen (O). Katie: Time for some science. And today it's a chemistry classic, the periodic table ...

All of which go to show how the periodic table of elements has become the iconic symbol of science. Mark Lorch, Professor of Science Communication and Chemistry, University of Hull.

All of which go to show how the periodic table of elements has become the iconic symbol of science. Mark Lorch is Professor of Science Communication and Chemistry at the University of Hull, U.K.