But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

The Periodic Table is a well-organized chart that contains all 118 known elements in the universe. These elements are the ...

Mrs Roberts: Well, the modern periodic table shows us all of the elements arranged in rows, which are called periods. It has changed a lot over the years as we've learned more and more about atoms.

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 ...

The Periodic Table is an amazing chemistry tool that is organized with elements in order of increasing atomic number. The properties of the element change as you move across the row, but are similar ...

In 1843, Leopold Gmelin worked with the Dobereiner’s system and developed a table of 55 elements that contained many of the similar relationships later found in the modern periodic table. Then in 1857 ...

Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods.

The Royal Society of Chemistry announced it would be sending its brand new 21st century Periodic Table of the Visual Elements (as seen below) to Sherlock writers Steven Moffat and Mark Gatiss in a bid ...