Elements in group 1 and group 2 are metals ... See the study guide on groups in the periodic table for more information.

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 ...

The seventh row of the table was completed in 2016 when Tennessine, Nihonium, Moscovium, and Oganesson were added. Elements ...

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

The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev in 1869. At the time, it included the known elements and their properties, but Mendeleev predicted ...

Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...

February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...

One feature of compounds made with transition metals is their intense colour. There are many examples in nature, including ...

On the floor, there will be some soot, rust, and metals. The main reason for the molecule falling apart is that a lot of the heavier elements are not stable. Oganesson, which is number 118 ...

National Periodic Table Day, observed annually on February 7, honors one of the most significant achievements in scientific ...

After a breakdown in US-Russia relations, Riken finds itself ahead of its rivals. And Lawrence Berkeley National Laboratory chases element 120 ...