They include lithium, sodium and potassium, and are placed in the first vertical column on the left of the periodic table. All the Group 1 elements are very reactive, and all react with water to ...

In due course, a number of trans-uranium elements were detected by means of bombardment with particles, which resulted in creating atoms of the next higher element on the periodic table. Today ...

Explore an interactive periodic table, combine elements to make real stuff, ... Discover why noble gases are not reactive and why halogens and alkali metals are highly reactive.

The organized rows and columns of the Periodic Table hide a rich and twisting history. ... Four newest elements on periodic table get names. Science News. Vol. 190, No. 1, July 9, 2016, p. 16.

A new version of the periodic table showcases the predicted properties of 2-D metals, an obscure class of synthetic materials. Arrayed in 1-atom-thick sheets, most of these 2-D metals have yet to ...