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 ...

Elements in group 1 and group 2 are metals ... See the study guide on groups in the periodic table for more information.

and produced several Periodic Tables between 1864-1870. His first table contained just 28 elements, organised by their valency (how many other atoms they can combine with). These elements were almost ...

That pun is based on the fact that the main ... periodic table of elements quiz, you have 10 minutes to name as many elements ...

Take your pick from this collection of links about elements and the periodic table! Build an element ball ... to correctly name chemical compounds and write chemical formulas. A main goal of many ...

The rows of the table are called periods, and the columns are called groups. Elements from the same column group of the periodic table show similar chemical characteristics. Trends run through the ...