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 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 ...

You interact with about two-thirds of the elements of the periodic table every day. Some, like carbon, oxygen, and nitrogen, make up our bodies and the air we breathe. Yet there is also a class of ...

Can you believe the periodic table has been around for over 150 years? Take this quiz to see if you can find the elements. What information do we collect from this quiz? What is the periodic table?

Well it's actually quite elemental—The Periodic Table of the Elements, that is. The whiz, bang, pop, and color are all possible by combining the most basic substances of which we know ...

We are extremely pleased to announce the installation of a stunning periodic table of the elements. Because it is really over 100 individual displays of the elements ...

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.

Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract electrons towards itself within a chemical bond. This vital theoretical ...

This year marks the 150th anniversary of the publication of Mendeleev’s Periodic Table of Chemical Elements in 1869. In celebration, the United Nations Educational, Scientific, and Cultural ...

Developing the periodic table The periodic table was developed by grouping elements with similar properties. This, together with a later arrangement by atomic weight, led to a repeating pattern of ...

This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today. He announced his structure in 1869, but the challenge of ...