News

Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard ...
The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...
Students will first look at a diagram and animation to understand the basic pattern of the arrangement of electrons on energy levels around an atom. ... Have students look at the Periodic table of the ...
The periodic table is 150 ... It may seem a small leap from this to the familiar diagram but, ... All of which go to show how the periodic table of elements has become the iconic symbol of science.
THE “periodic” classification of the elements plays such an important part in courses of inorganic chemistry for students that a large wall diagram illustrating this classification has now ...
In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, atomic weight and the broad group they live in.