Even though each atom has roughly a whole number of atomic mass units, you will notice that the atomic mass on the periodic table is a decimal; that's because the number is a weighted average of ...

Fermium studies indicate nuclear shell effects diminish as nuclear mass increases, emphasizing macroscopic influences in ...

Click to enlarge image. When Dmitri Mendeleev drew up the periodic table, he grouped elements of similar properties. Based on the number of electrons, a scientist can determine which group to place an ...

The periodic table of elements is a landmark categorization developed in 1869 by the Russian chemist and inventor Dmitri Mendeleev. It arranges all natural and synthetic elements by their atomic ...

Periodic Table as Arranged by Mendelejeff attention ... of increasing atomic weight coincides with that of increasing atomic number (nuclear charge), but tthis need not be. so in all cases.

How far can the periodic table go and will we ever synthesize ... Nobelium is a synthetic chemical element with the atomic number of 102. The element was first synthesized by a team of scientists ...

I recently found someone on the Internet willing to say that bismuth, element 83, was a “C” tier element of the periodic table. Insane, I know. Bismuth is a beautiful metal often recognized for its ...

These are almost one-quarter of the periodic table and are mainly found in the first four periods. Of these, 11 are essential elements that our bodies need in larger amounts: oxygen, carbon ...

The creation and study of superheavy elements like livermorium (whose atomic number is 116) and tennessine (whose atomic number is 117) have not only expanded our knowledge of the periodic table but ...

University of Liverpool researchers are part of an international research collaboration that has shed light on what happens ...

Researchers from the University of Liverpool are part of an international collaboration that has made significant advances in ...

Although the Periodic Table of Elements is an impressive achievement of human understanding ... First discovered 80 years ago in 1945, Promethium is a lanthanide (one of a series of 15 metallic ...