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

The Periodic Table is a well-organized chart that contains all 118 known elements in the universe. These elements are the ...

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 way we arrange them is in the order of increasing atomic ... columns called groups. Now, the table is called the periodic table because the elements with similar properties occur at regular ...

More than 75 years after its initial discovery, scientists have created an organometallic molecule containing the transuranium element berkelium. According to a new study, the electronic signature of ...

He also thought to occasionally ignore the order suggested by the atomic weights and ... Up until this point the atomic number simply referred to an element’s positioning in the periodic table, and ...

Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods.

This year marks the 150th anniversary of the publication of Mendeleev’s Periodic Table of Chemical Elements in 1869. In celebration, the United Nations Educational, Scientific, and Cultural ...