The periodic table’s arrangement also allows scientists to discern trends in element properties, including electronegativity, ionization energy, and atomic radius. Many scientists worked on the ...

However, the element has some intriguing properties: It is one of the only elements with no known stable form, and it has the largest atomic radius. Some elements on the periodic table are ...

Various numbers are used to define nuclei: the atomic number, Z, is the number of protons, while the mass number is the sum of the atomic number and the number of neutrons, N. Figure 1. Heavy elements ...

Atomic weights of 10 elements on periodic table about to make an historic change Date: December 16, 2010 Source: University of Calgary Summary: For the first time in history, a change will be made ...

The atomic weight of bromine, for instance, is commonly thought to be 79.904, but it can actually range between 79.901 and 79.907, depending on where the element is found.

The new table will reflect the fact that boron atoms can have atomic weights ranging from 10.806 to 10.821, depending on where in the world the element originates.