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 ...

However, he is remembered for his search for a pattern in inorganic chemistry. Just four years before Mendeleev announced his periodic table, Newlands noticed that there were similarities between ...

The periodic table organizes chemical elements based on atomic weight, electron configurations, and chemical properties, ...

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 ...

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

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 ...