Chemical element whole number. For example, the relative atomic mass of chlorine is 35.453 u, which differs greatly from a whole number as it is an average of about 76% chlorine-35 and 24% chlorine-37. Whenever a relative atomic mass value differs by more than 1% from a whole number, it is due to this averaging effect, as significant amounts of more than one isotope are naturally present in a sample of that element. Chemists and nuclear scientists have different definitions of a "pure element". In chemistry, a pure element means a substance whose atoms all (or in practice almost all) have the
A Whiter Shade of Pale out that there were no time limits to copyright claims under English law. The right to future royalties was therefore returned to Fisher. Both the musicological basis of the judgment and its effect on the rights of musicians who contribute composition to future works have drawn some attention in the music world. "A Whiter Shade of Pale" was covered by Annie Lennox for her 1995 album "Medusa". It was released as the second single in May 1995 and became a top-forty hit in Europe and Canada. A Whiter Shade of Pale "A Whiter Shade of Pale" is the debut single