1 Silicon. 2  Boron. 3  Germanium. 4  Arsenic. 5  Antimony. 6  Tellurium. 7  Unlike other families of elements such as the noble gases, alkali metals, and halogens, the metalloids form a diagonal line on the periodic table rather than a vertical line. Silicon. 2  Boron. 3  Germanium. 4  Arsenic. 5  Antimony. 6  Tellurium. 7  Unlike other families of elements such as the noble gases, alkali metals, and halogens, the metalloids form a diagonal line on the periodic table rather than a vertical line.
What is HARPC? HARPC stands for âHazard Analysis and Risk-Based Preventive Controls.â It is one of many new provisions of the FDA Food Safety Modernization Act, a sweeping food safety legislation amending the Food, Drug and Cosmetic Act that was enacted in January of 2011.
CEREC or Cerec (Chairside Economical Restoration of Esthetic Ceramics, or CEramic REConstruction) is a method of CAD/CAM dentistry developed by W. MÃ¶rmann and M. Brandestini at the University of Zurich in 1980 for creating dental restorations.