Best Answer: Hi i got clear saphire braces. http://www.iceclearbraces.com/. very similar to ceramic braces but they disapear on your teeth more and cost the same as ceramic. Im from melbourne i went to different orthodontist the price range was 5,500-7,000, i found a place that did it for 6,300. If you pay everything up front you get a small discount of 3%.
Polyatomic ions are atoms held together by covalent bonds as a group and that from CHM 1220 at Wayne State University
Pure covalent bonding. Atoms [atom: An atom is the smallest part of an element that still has the properties of that element, comprising electrons surrounding a nucleus of protons and neutrons.] in a covalent bond are held together by electrostatic forces of attraction between positively charged nuclei and negatively charged shared electrons.