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 ...

In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, ...

The questions in this quiz are suitable for GCSE chemistry students studying the physical and chemical properties of group 0 elements (noble gases), group 1 elements (alkali metals) and group 7 ...

A chemical element is one of those squares on ... It is positioned in group 7 of the periodic table because it has seven electrons in the outermost shell of electrons. The trouble is that chlorine ...

Of particular interest is the naming of element 118. Because element 118 falls within group 18 of the periodic table, it is a noble gas, with a particular naming pattern. each of the elements in ...

Even though chemists had identified relationships between small groups of elements ... Up until this point the atomic number simply referred to an element’s positioning in the periodic table, and was ...

Heavy ligands such as polyoxometalates are opening a new frontier in actinide chemistry. Studying materials that are both ...

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 ...

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 ...