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 ...

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

Lesson Plans: The Periodic Table and Bonding Download inquiry-based ... and feelings of self-efficacy about chemistry among public audiences. The Period Table of Endangered Elements presents elements ...

That’s why this periodic table clock really caught our eye. [gocivici]’s idea is a simple one: light up three different elements with three different colors for hours, minutes, and seconds ...

An alternative periodic table of elements focusing on highly charged ions reveals new science that could support the quest for more accurate optical atomic clocks ...

Hover over elements in this interactive representation of our Elements of Success Periodic Table to see details. If an element doesn't have a sponsor, click on it to sponsor today.

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 ...

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 ...

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 ...