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
A polyatomic ion, also known as a molecular ion, is a charged chemical species composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit. The prefix poly-means many, in Greek, but even ions