For example, sulfur is commonly known to have a standard atomic weight of 32.065. However, its actual atomic weight can be anywhere between 32.059 and 32.076, depending on where the element is found.

In the new tests, the researchers also measured the rocks’ concentration of sulfur-33, a rare isotope that accounts for less than 1 percent of the element’s atoms.

1.30 to 4pm each day Book Online - see below. Join scientist Stephen Wilson as the Beacon Museum goes XXL on science. In celebration of the International Year of the Periodic Table, the Beacon Museum ...

There are 118 chemical elements. They are listed on the periodic table close periodic tableA table which lists all of the chemical elements and arranges them in a way that is useful. It allows us ...