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
Polyatomic Ions. Polyatomic ions are ions that are composed of two or more atoms that are linked by covalent. bonds, but that still have a net deficiency or surplus of electrons, resulting in an overall charge on. the group. A metal plus a polyatomic ion yields an ionic compound.