ABOUT COCARD. Since 1999, COCARD has been a company composed of like-minded, owner-operated, sub-ISOs. We have formed an entity whose purposes and structure allow us to capitalize on collective bargaining benefits and a mutually leveraged exit strategy. COCARD is managed by member volunteers with over 100 years of industry experience.
Description of his model: Bohrâs atom like Rutherfordâs contained a dense, positive nucleus. He expanded on Rutherfordâs ideas, turning his attention to describing the electron. He stated they moved in fixed, circular orbits (or energy levels) around the nucleus, these called electron shells.
Electron Cloud Definition: The electron cloud is âthe region of negative charge surrounding an atomic nucleus that is associated with an atomic orbital. The region is defined mathematically, describing a region with a high probability of containing electrons.