Columns in the periodic table are called groups or families. Elements within the same group share similar properties because they have the same number of valence electrons (electrons in the ...

Two new elements were officially added to the periodic table this month, after being approved by an international panel. The complicated process took years; now elements 114 and 116 just need ...

The elements that make up each column of the periodic table share a set of common traits. Here, a chemist describes group 15 and the crucial role they play in life.

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.

Recycled Periodic Discussions It’s going to take a long time for element 117 to make it onto the periodic table. Why?

It's one of the most hallowed clubs in all of science--the lucky few who have discovered and named an element on the periodic table. After stabilizing and observing the latest addition to ...

Researchers at Sweden's Lund University have announced that they've been able to confirm the existence of Element 115 on the periodic table.

Scientists at the Department of Energy’s Lawrence Berkeley National Laboratory are using the 88-Inch Cyclotron to help steady ...

But when we look at the full gamut of elements in the periodic table, there's one missing that you might have expected to be there: the 43rd one, Technetium, a shiny, gray metal as dense as lead ...