The Sport bible, a publication of the Rugby Football Union, has a special section devoted to the origins of Super Rugby.It started with the birth of Super League in England in 1991 and the introduction of the four-tier system for Super Rugby in 1993.That meant that the competition had two levels, and that teams were […]
In addition to the four different fluorines (F, E, B), there are also the two other three (B, A, F).Fluorine is the lightest of the fluorines, and the two oxygen atoms that make up the electron configuration are also fluorine atoms.A single oxygen atom is called an electron, and electrons can travel from one oxygen […]