Here we have the periodic table showing only the valence, or outer electrons in each element. It is these outermost electrons that determine an element’s reactivity. Some patterns should stand out.

2019 is the International Year of the Periodic Table. The person who typically gets credit for its creation is Dimitri Mendeleev. But there were many more chemists who should be recognized.

Periodic table Mendeleev’s periodic law has undergone certain changes and been complemented by new elements, including artificially synthesized ones.

In their momentary life span, atoms of lawrencium, element 103, may have left a lasting impression on the structure of the periodic table. For the first time, researchers have measured a basic ...

Principles of protein complex assembly have been codified in a periodic table that shows descriptive and predictive power.

150 years ago, Russian chemist Dmitrii Mendeleev created the periodic table of the elements, revolutionizing chemistry.

Four new elements are about to be added to the periodic table: nihonium (Nh, element 113), moscovium (Mc, element 115), tennessine (Ts, element 117), and oganesson (Og, element 118). When you say ...

Proposed names for new periodic table elements announced by IUPAC Elements 113, 115, 117, and 118 are likely to become nihonium, moscovium, tennessine, and oganesson ...

NEW YORK – They exist for only seconds at most in real life, but they’ve gained immortality in chemistry: Two new elements have been added to the periodic table. The elements were recognized ...

Mathematicians are creating their own version of the periodic table that will provide a vast directory of all the possible shapes in the universe across three, four and five dimensions, linking ...