Hydrogen bonds are electrostatic forces of attraction between molecules which contain these highly polar bonds. A hydrogen bond is stronger than other forms of permanent dipole-permanent dipole interactions but weaker than a covalent bond. 1  Page. 2  1.
What is an Authorized Provider? The IACET Authorized Provider (AP) status means that an organization adheres to IACET's internationally recognized ANSI/IACET 1-2007 Standard for Continuing Education and Training. Only Authorized Providers may award IACET Continuing Education Units (CEUs).
By provider I mean that you can register to take your IT certification exam by either calling or visiting the VUE or Prometric Web site. Testing centers are affiliated with either VUE, Prometric, or both. For instance, the training center at which I teach is both a VUE and a Prometric exam provider.