Element 113, for instance, exists for less than a thousandth of a second. The seventh period of the periodic chart is now complete, thanks to the addition of four new elements.

January 4, 2016 / 3:53 PM EST / CBS News High school chemistry students will now have to learn about four additional elements on the Periodic Table of Elements.

2019 marks the 150th anniversary of the Periodic Table, a unique tool, enabling scientist to predict the appearance and properties of matter on the Earth and in the the Universe. Different elements ...

The man-made elements, which have not yet been officially named, are being temporarily called Element 113, Element 115, Element 117 and Element 118. They’re the first to be added to the table ...

In high school science classes, students are encouraged to memorize the first 20 elements of the periodic table. There are other methods employed at the university level for all 118 -- many ...