Atom to the positively charged nucleus by the attraction created from opposite electric charges. If an atom has more or fewer electrons than its atomic number, then it becomes respectively negatively or positively charged as a whole; a charged atom is called an ion. Electrons have been known since the late 19th century, mostly thanks to J.J. Thomson; see history of subatomic physics for details. Protons have a positive charge and a mass 1,836 times that of the electron, at . The number of protons in an atom is called its atomic number. Ernest Rutherford (1919) observed that nitrogen under alpha-particle
Ariel Atom An FIA approved fire extinguisher system was also installed. As part of the promotion for the series the Atom Cup team performed a 'flash mob' pitstop in central London. The footage was later uploaded to YouTube and went viral in motorsport circles. Racing was close with most commentators and critics applauding the overtaking and fast paced action. Ariel Atom The Ariel Atom is a road legal high performance sports car made by the Ariel Motor Company based in Crewkerne, Somerset, England, and under licence in North America by TMI Autotech, Inc. at Virginia International Raceway in Alton, Virginia. There have